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By G. Miguel. Sterling College, Kansas. 2019.

Previous studies on this issue showed order pyridium with amex, for example pyridium 200mg sale, that the effect of acupuncture was eliminated by the dissection of dorsal funiculus of the spinal cord buy pyridium without a prescription, and that acupuncture analgesia and adjustment of visceral function were eliminated by the dissection or destruction of the lateral funiculus of the bilateral ventral spinal cord generic 200 mg pyridium with amex. In patients with syringomyelia, owing to the destruction of concatenation of conduction tract of thermic sense and the ventral lateral funiculus, both the effect and sensation of the acupuncture disappeared. Acupuncture signals entering the posterior horn of the spinal cord were also observed to influence the neurons of the anterior and lateral horns to initiate soma-viscus reflex or soma-soma reflex, thus, adjusting the pain reaction and activation of viscus through sympathetic fibers or Ȗ-efferent fibers. All these facts demonstrate that acupuncture signals affect the neurons of the posterior horn after entering the spinal cord, and then transmit upward through the ventral lateral funiculus. Through transmission from the spinal cord, the signals enter the brain, and are exchanged in the thalamus, and then projected upward to the cerebral cortex, to produce the sensation of acupuncture. If the connection between the cortex and axons of the sensory neuron of the thalamus is interrupted, then the patients may not be able to ascertain the location of the sensation of acupuncture. However, none has been supported by convincing evidence, except for the data from neurobiological research. Substantial data have shown that meridians and acupoints are closely associated with the peripheral nerves. Furthermore, the nerves distributed at the acupoints and their correlative organs have been observed to belong to the same spinal segment, or within the range of the nerve segments belonging to the correlative organs. With respect to the nerves, the acupoints have been observed to differ not only in the density of the nerve distribution and thickness of the nerve fibers under every acupoint, but also in the shape of the nerve endings. Owing to these differences, the puncturing methods and puncturing deepness vary from one acupoint to another. Accordingly, the reflection of De-Qi is also observed to be different, depending on the acupoints 73 Acupuncture Therapy of Neurological Diseases: A Neurobiological View punctured. The effect of a given acupoint on the body is observed to be at least partly related to the structural traits and its location. However, there are also some unresolved issues in the neuroanatomic studies regarding the relationship between the nerves and meridians (Sun et al. For example, there has been no consistency, to some extent, between the segments of some organs and those of the distribution of acupoints that are effective for the organs (e. Another example is the meridians on the head, such as Gallbladder Meridian of Foot-Shaoyang and Sanjiao Meridian of Hand-Shaoyang. Therefore, before we try to fully understand the mystery of acupoints and meridians, it may be valuable to retain the meridian theory in mind for efficient clinical practice and laboratory research. It is possible that there are issues that we cannot understand with our present knowledge. Hence, if we dismiss this ancient theory, we may lose some important information about the nature of acupuncture and guideline for the clinical practice. Note: Most contents of Section 3 in this chapter (The neuroanatomic basis of acupoints) have been written based on the original studies by Drs. The original article was informally and partially published in Chinese in 1959, 1960 and 1973. Science 128: 712 715 Campbell A (2006) Point specificity of acupuncture in the light of recent clinical and imaging studies. Journal of Clinical Acupuncture and Moxibustion 11(10): 36 37 (in Chinese) Chen S, Liu J, Gao Y (2007) Effects of electroacupuncture at different acupoints on changes of uterine myoelectricity induced by oxytocin and progesterone in pregnant rats. Sci Sin 16: 210 217 Deng Y, Zeng T, Zhou Y, Guan X (1996a) The influence of electroacupuncture on the mast cells in the acupoints of the stomach meridian. Acupuncture Research 21(3): 68 70 (in Chinese with English abstract) Deng Y, Fu Z, Dong H, Wu Q, Guan X (1996b) Effects of electroacupuncture on the subcutaneous mast cells of Zusanli acupoint in rat with unilateral sciatic nerve transection. Acupuncture Research 21(3): 46 49 (in Chinese with English abstract) Department of Anatomy, Shanghai First Medical College (1973) The relationship between meridian acupoints and the peripheral nerves. Science 150: 971 979 Nakazo W (1987) Morphological studies on acupoints and non acupoints. Assembled abstracts st of original articles of the 1 world meeting of the world association of the acupuncture society. Liss, New York, pp 251 258 Pomeranz B, Chiu D (1976) Naloxone blocks acupuncture analgesia and causes hyperalgesia: endorphin is implicated. Abstracts of original articles of the biennial meeting of the Chinese society for anatomy. Acupuncture Research 21(3): 60 62 (in Chinese with English abstract) Stacher G, Wancura I (1975) Effect of acupuncture on pain threshold and pain tolerance determined by electrical stimulation of the skin: a controlled study. Chinese Acupuncture & Moxibustion 21(1): 64 65 (in Chinese with English abstract) Takashige C (1985) Differentiation between acupuncture and non acupuncture points by association with an analgesia inhibitory system. Acupuncture Research 16(1): 61 65 (in Chinese with English abstract) Toda K, Ichioka M (1978) Electroacupuncture: relations between forelimb afferent impulses and suppression of jaw opening reflex in the rat. J Trad Chin Med 12: 559 563 (in Chinese) Wang K, Yao S, Xian Y (1985) A study in the receptive field of acupoints and the relationship between characteristics of needle sensation and groups of afferent bifres. Acupuncture Anaesthesia 2: 69 Wu B, Hu X, Xu J, Yang B, Li W, Li B (1993) Localization of the meridian track over body surface by the method of blocking the acupuncture effect with mechanical pressure. Publishing house of Shanghai university of traditional Chinese medicine, Shanghai. Publishing house of Shanghai university of traditional Chinese medicine, Shanghai. Chinese Acupuncture & Moxibustion 27: 26 30 (in Chinese with English abstract) Zhang D, Ding G, Shen X, Yao W, Zhang Z, Zhang Y, Lin J, Gu Q (2008) Role of mast cells in acupuncture effect: a pilot study. In: Proceedings of the 3 World Conference on Stress, Cell Stress Chaperones online 12: 5B 02 P Zhu B (1998) Scientific foundations of acupuncture and moxibustion. Acupuncture Research 15(2): 157 158 (in Chinese with English abstract) 80 3 Neural Transmission of Acupuncture Signal 1 1 2 Jinmin Zhu , David N. However, the true mechanisms underlying the effectiveness of acupuncture are still under debating. In this model, acupuncture is believed to treat the diseased organ of the patient by balancing the Yin and Yang conditions that are regulated by an energy substance (Qi) flowing constantly through the whole meridian, a network connecting all the organs of the body. Therefore, in the acupuncture treatment, it is crucial to select special acupoint(s) along the meridian that links the diseased organs, as well as to modulate the Qi flowing in the meridian through the induction of the needling sensation (De-Qi). On the other hand, a neurobiological model established in the recent decades, has supported the notion that an important mechanism of acupuncture in curing diseases is mediated by the nervous system. Stimulation by needles at acupoints is considered to initiate acupuncture signals through the nerve fibers (e. The acupuncture signal is transmitted through the central nervous system, which activates and integrates with the neurons located in broad areas, such as those in the cortex, limbic system, brainstem, spinal cord, which in turn, regulate other systems. The nerve-mediated model provides us a better explanation regarding the biological mechanisms of acupuncture signal transmission in the body which has been broadly documented by both in vivo and in vitro studies under controlled conditions. In this chapter, we will review in particular, the research concerning the influence of acupuncture-elicited signals in the nervous system and how the neural pathways mediate the therapeutic effects of acupuncture. Keywords acupuncture signal, afferent nerves, autonomic nervous system, central nervous system, transmission Acupuncture Therapy of Neurological Diseases: A Neurobiological View 3. Modern clinical research has confirmed the impressive therapeutic effect of acupuncture on numerous human ailments, such as controlling pain, nausea, and vomiting. According to this model, acupuncture is believed to treat the diseased organs by modulating two conditions known as Yin and Yang, which represent all the opposite principles that people find in the universe, both inside and outside the human body. Yin and Yang complement each other, and are subjected to changes between each other. The balance of Yin and Yang is thought to be maintained by Qi, an energy substance flowing constantly through the meridian, a network connecting all the organs of the body. The illness, according to this theory, is the temporary dominance of one principle over the other, owing to the blockade of the Qi from flowing through the meridian under certain circumstance. Thus, the goal of acupuncture treatment is to restore the balance of Yin and Yang conditions in the diseased organ(s). This theory has been considered to be useful to guide this ancient therapy, such as carrying out diagnosis, deciding on the principle, and selecting the acupoints. However, neither Qi nor meridian can be detected under a controlled condition in the animal model or in humans, using current scientific technology. In the past 50 years, extensive efforts have been taken to explore the biological mechanisms and its significance in acupuncture, using modern technologies.

When the abstract was not clear or no abstract was available but the title seemed to be relevant discount pyridium online amex, the paper 8 was selected for full-text reading buy pyridium 200 mg free shipping. The papers that fulflled all of the selection criteria were processed for data extraction order pyridium 200mg online. All reference lists of the selected studies were hand searched by two reviewers (A purchase discount pyridium on line. S) for additional published work that could possibly meet the eligibility criteria of the study. This as- sessment was performed according to the method that has been described in detail by Keu- 5 kenmester et al. In short, when random allocation, defned eligibility criteria, blind- ing of examiners, blinding of patients, balanced experimental groups, identical treatment 6 between groups (except for the intervention), reporting of loss of follow-up and the subject as unit of statistical analysis were present, the study was classifed as having a low risk of bias. When one of these criteria was missing, the study was considered to have a moderate 7 risk of bias. When two or more of these criteria were missing, the study was considered to have a high risk of bias, as proposed by van der Weijden et al. After a preliminary evaluation of the selected papers, it was found that considerable heterogeneity was present in the study designs, characteristics, outcome variables and results. It was, therefore, not possible to perform a quantitative analysis of the data and subsequent meta-analysis; ac- cordingly a descriptive analysis of the data was performed. W) rated the quality of the evidence as well as the strength of the recommen- dations according to the following aspects: risk of bias of the individual studies, consistency and precision among the study outcomes, directness of the study results and detection of publication bias. Any disagreement between the two reviewers was resolved after additional discussion. The initial screening of the titles and abstracts resulted in seven full-text papers that met the inclusion criteria. After read- ing the full-text articles, two papers were excluded, one because it was a survey (Orelud et 3 al. Additional hand-searching of the reference lists from the selected 4 studies did not yield any additional papers. The table includes a 6 short summary of the study design, information regarding the participants (number, age, smoking habits, number of implants and type of implant-supported restoration) and the 7 authors’ conclusions. Information regarding the changes within each group for the various outcome parameters is presented in Table 2. Papillary bleeding index, recession and probing pocket depth were measured at baseline and at 3, 6, and 12 months. An improvement on both bleeding score and clinical attachment level was reported over time (Table 2). Similar results were also reported in another prospective cohort study by Vandekerck- hove et al. This study assessed the effcacy of an oscillating/rotating pow- ered toothbrush in patients rehabilitated with fxed prostheses on implants. Sulcus bleeding index, probing pocket depth, periodontal pocket bleeding index and gingival recession was measured at baseline and at 3, 6, and 12 months and showed that all parameters improved …implant supported restorations: a systematic review 177 1 over the course of the study (Table 2). Changes of similar magnitude were observed over time on these parameters irrespective of the presence or absence of keratinized mucosa around the implants. Modifed plaque and bleeding indexes were recorded at the start and end of the experimental period. The results of this study revealed comparable effcacy of the 2 types 4 of toothbrushes with regard to mean plaque and bleeding scores (Table 2). The powered toothbrush was found to be superior to the conventional toothbrush in combination with interdental aids in reducing plaque and bleeding scores and 7 probing pocket depth over a 2-year period (Table 3). Similar results were also reported in a 6-month single-blinded, randomized, parallel 8 study by Wolff et al. The sonic toothbrush was found to reduce plaque and bleeding signifcantly better than the 9 manual toothbrush over time. Moreover, the sonic toothbrush was found to be more effec- tive than the manual toothbrush in reducing probing depths and gingival infammation over time, although differences in these parameters did not reach statistical signifcance (Table 2). However, the difference between the two groups at the end of the study was not signifcant for all parameters evaluated (Table 3). Quality assessment and grading the ‘body of evidence’ The quality assessment of the various studies is presented in Table 4. The available data for the powered toothbrush were rather consistent and rather precise. How- 5 ever, it is diffcult to decide whether the results of the included studies can be generalized to other populations. Powered toothbrushes were found to result in an improve- ment in clinical parameters over time. Results obtained in edentulous subjects do not necessarily refect the situation in partially-dentate subjects. Edentulism, subjects’ age and brushing dexterity may have in- fuenced the results. It is also known that study duration affects outcomes when manual and powered toothbrushes are compared (Aass & Gjermo 2000). Hence, the short-term (6-week) design that was employed in study I may be less likely to demonstrate signifcant differ- ences. An advantage of a cross-over design is that each participant acts as his or her own control, eliminating between-participant variation. However, statistically, cross-over trials are not …implant supported restorations: a systematic review 179 1 appropriate due to the likelihood of a carry-over effect. Cross-over studies using therapeutic agents are at risk of showing a period effect that is greater than the effect of interest. A wash- out period of two weeks may not be suffcient and longer wash-out periods are preferable 2 (Senn, 2002). In study V, in addition to the powered toothbrush, subjects were allowed to use their usual interdental cleaning 4 devices. Thus the comparison of a power toothbrush to a manual toothbrush in combination 6 with additional interdental cleaning devices should be interpreted with diligence since the comparison is not truly valid. None of the included 7 studies evaluated interproximal cleaning as a separate intervention. All cleaning procedures were performed by a 9 trained dental surgery assistant, which was the reason of exclusion from the present review. The purpose of this study was to evaluate the effcacy of the interdental brush itself and not the capacity of the subject to clean interproximally. Under these circumstances both devices were found to be effective in purely interproximal cleaning. While there has been extensive research into all aspects of dental implant placement, little has been done to investigate the essential aspect of the maintenance of implant- supported restorations by patients. The patient’s ability to perform regular and effective oral hygiene has an impact on the long-term success of implants (Cagna et al. It be- comes obvious that there is a lack of evidence with respect to optimal self-performed oral hygiene around dental implants, especially in terms of the use of interproximal devices. Self-performed home care around implants is, at present, mainly based on the knowledge that is available from the periodontal literature, with respect to cleaning of natural teeth. However, often, implant-supported restorations present contours and shapes that render 180 Mechanical self-performed oral hygiene of… plaque removal diffcult, even by the most capable individuals (Cagna et al. Addition- 1 ally a pocket around an implant is anatomically different from pocket around a natural tooth which may require specifc attention. Consequently well performed clinical trials, evaluating 2 different oral hygiene products alone or in combination, are needed regarding this topic. Based on the limited available data, powered toothbrushes seem to be effective in clean- ing both fxed and removable implant-supported restorations. No hard evidence was found 3 that powered toothbrushing is superior to manual toothbrushing, although powered tooth- brushing may help to overcome limitations in manual dexterity and accessibility. Louropoulou contributed to the conception, design, acquisition, analysis, interpretation of data, drafted the manuscript. Slot contributed to the design, analysis, interpretation of data, critically revised the man- uscript for important intellectual content. All authors gave fnal approval and agree to be accountable for all aspects of the work in ensuring that questions relating to the accuracy or integrity of any part of the work are ap- propriately investigated and resolved. Acta Odontologica Scandinavica 58: prostheses supported by osseointegrated 2 166-170. Journal of Clinical acceptability of an electric toothbrush on peri- Periodontology 35(suppl 8): 292-304.

Usually sexual intercourse In some cases order pyridium 200 mg without prescription, a woman can become infertile involves penetration by the penis pyridium 200 mg sale. Every year emphasizes that a great deal of scientific evidence the hotline gets hundreds of thousands of condom- suggests that the presence of sexually transmitted related calls discount pyridium american express, many from adolescents who are seek- disease(s) in an individual enhances his or her like- ing reliable information on proper use of condoms order generic pyridium. In sexually transmitted diseases appears to be espe- addition to preventing complications and trans- cially important. Later, have a follow-up test to include scabies, pubic lice, trichomoniasis, and make sure the infection is gone. In the realm of sexually transmitted diseases, sex without penetration is • Be monogamous (have one partner). These lesions, • Avoid having sex during menstruation, because which pop up for several days to three weeks, you are more susceptible to infection. Within several weeks, they contain may suffer from Kaposi’s sarcoma, dry skin, mol- pus and crust over; by the time they are crusting, luscum contagiosum, herpes simplex, shingles, they do not contain virus. The person with shingles feels better in a few • Gonorrhea: There may be skin lesions on the weeks, but the area of the nerve may continue to arms or legs that appear to be sores filled with be painful for months (and in rare cases, for pus or blood and that are set amid reddened skin. The • Hepatitis B: Chronic hepatitis B can cause a skin virus that causes herpes zoster can also cause disorder called polyarteritis nodosa. Basically, the varicella-zoster virus is known to • Pubic lice: The skin may be irritated by the lice be associated with both shingles (zoster) and chick- attached to the skin in the genital area. What is peculiar about varicella- lice attach, there may be a small bit of bleeding. In second-stage syphilis, a person may Two possible complications of shingles are post- herpetic neuralgia and bacterial infection. The lat- have a rash that appears all over the body, ter can be a major problem because the person including the palms of the hands and soles of the may have superficial gangrene, resulting in scars. There may be bumps in the genital area If a person has zoster in the eyes, a bad infection that resemble warts. Shingles can be diagnosed by clinical examina- • Donovanosis (granuloma inguinale): This tion and lab analysis. Occasionally differentiating causes genital ulcers that enlarge and form between herpes zoster and herpes simplex can be beefy red sores. Sometimes initially there are red itchy antiviral medication such as acyclovir, valacy- bumps. Oral famciclovir effectively • Genital warts: Bumps that are flat or cauli- treats herpes zoster and decreases duration of flowerlike and usually harder than the sur- postherpetic neuralgia. Also, in about half of elderly • Yeast infections: These can cause a rash on the people shingles is likely to develop. Social Security Administration disability benefits An American who is disabled or too ill to have a job skin conditions Any irregularity or abnormality may be eligible to receive disability payments from of the skin. Skin conditions that occur in people the Social Security Administration at any age. It is the Social Security office in the state in which a person resides that actually makes the spermatorrhea Abnormally frequent involun- final determination as to whether someone quali- tary discharge of semen without orgasm. Sometimes medical problems semen is produced by ejaculation of orgasm and is other than those listed merit payments. An attor- not discharged from the man’s body at any other ney can file claims for the individual who is ill, time. If a man loses the mechanism of ejaculation, and this is usually the best course of action sperm may discharge involuntarily. In a total ejaculate, about 300 to 500 mil- public services that are made available (at no cost lion/ml is considered normal; fewer than 60 mil- or low cost) to those who have sexually transmit- lion/ml equates to sterility, or an inability to ted diseases, as well as people with other health reproduce. Sperm count is unrelated, however, to a socioeconomic impact The way a disease affects man’s virility. The socioeco- nomic impact of sexually transmitted diseases is spermicide An agent that kills spermatozoa absolutely mind-boggling, particularly when one (sperm). The individual 40–44: 136,145 who suspects she or he has a sexually transmitted 45–49: 80,242 disease may not confide in family or friends and 50–54: 42,780 may be even less inclined to talk to a doctor about 55–59: 23,280 the problem. It is often very difficult for patients 60–64: 12,898 to tell their doctors their fears or suspicions that 65 or older: 11,555 they have a sexually transmitted disease; their Adult cases as of December 2001 by exposure reluctance can lead to delayed diagnosis and category: treatment. Recipient of blood transfusion, blood components, or tissue: 5,057 males, 3,914 females Risk not reported or identified: 57,220 males, stress Stress can play a role in reducing the 23,870 females strength of a person’s immune system, making it more vulnerable to disease, such as infection that Children by exposure category: is sexually transmitted. Stress is also a factor in the Hemophilia/coagulation disorder: 236 global picture of sexually transmitted diseases. Garrett attributes this to “an in Societies under Stress: A Global Perspective,” exploding black market” in other countries, outlining key problems in addressing the spread where peddlers with no medical training are sell- of sexually transmitted diseases in a world where ing antibiotics (some of which were expired the stressors are many, far-reaching, and exten- drugs) that were sent in for humanitarian relief sive. She pointed to problems in public health, and were stolen from Red Cross warehouses. One nationwide survey of health depart- and collect supplemental data on all or a sample ments indicated that the percentage of cases of cases. Sur- format that makes this information usable for all veillance data are key to promoting an improved public health agencies—federal, state, and local. If a person does not receive ade- ted disease that has been called the “great imitator” quate treatment, the infection progresses to the because so many symptoms are indistinguishable secondary stage. The rate of syphilis cases in the spots on the palms of the hands and the bottoms of United States declined by 89. This was the first body parts with different characteristics that increase since 1990. Cause These sores contain active bacteria, so it is impera- A very fragile bacterium called Treponema pallidum tive to avoid sexual or nonsexual contact with the causes the disease syphilis, which moves through broken skin of another person during this stage. The The rash, which heals spontaneously in a few time between infection with syphilis and the weeks or months, can be accompanied by low appearance of a symptom averages about 21 days fever, muscle aches, fatigue, headaches, sore but can range from 10 to 90 days. Such symptoms are often mild and may come and Symptoms go during the year or two after initial infection. The early symptoms of syphilis mimic those of Sometimes the rashes are not even noticeable. In many other diseases; that is one reason some peo- secondary syphilis, a person may also have condy- ple do not take the initial sore or odd rash that lomata lata, oral or genital mucous patches, sys- appears seriously. They also disappear soon after they are first syphilis can proceed into a latent period—a time seen. In primary syphilis, the sign is often a chan- In both primary and secondary states, when cre—an indurated, punched-out ulcer that is symptoms are present, a person can readily pass painless or only slightly painful and is located at the disease to sex partners. Sometimes there is a single stage of syphilis begins when the secondary sore; other times, many. Untreated, the infected per- “shan-ker”) is the classical first symptom of pri- son still has syphilis even though no signs or mary syphilis, usually a painless open sore that symptoms are apparent at that time, but it shows up on the penis or around or in the vagina. A chancre is typically one to two eyes, heart, blood vessels, liver, bones, and joints. These can appear as This internal damage may show up years later in shallow ulcerations with noninflamed margins; the late, or tertiary, stage of syphilis. Late-stage they occur most commonly on mucous mem- signs are an inability to coordinate muscle move- branes that are irritated during sexual activity. The damage may be serious its own, without scarring, whether or not the per- enough to result in death. All other dromes that suggest early syphilis, other tests latent-syphilis cases, though, are late latent syphilis (biopsy and direct microscopy) may be needed. Testing Serologic findings are always positive in second- To confirm diagnosis, a doctor looks for signs of ary syphilis. If the syphilitic patient is in the latent syphilis, asks whether the patient has experienced or late stage, a doctor may have to do a spinal tap any of the symptoms, performs blood tests, and to check for infection of the nervous system. The latter is accomplished by taking a can infect and possibly lead to the death of her scraping from the ulcer or chancre to be studied baby, every pregnant woman should be tested for under a special dark-field microscope in order to syphilis. Although blood tests do produce false-negative Congenital Syphilis results up to three months after infection, they can Untreated early syphilis during pregnancy results also provide evidence of infection. If infection, the body produces syphilis antibodies the disease is acquired during the four years pre- that can be detected by an inexpensive blood test. Although the out- because interpreting the results of blood tests for come actually depends on the length of time a syphilis is difficult. Typi- stillbirth) or of giving birth to a baby who dies cally, false-positive results occur mainly in those shortly after birth. An infected infant may be born with certain viral infections, autoimmune disor- without symptoms and if not treated immediately ders, and other conditions. Babies who test result shows up positive, another test must be are not treated may suffer developmental delays, done to confirm the result.

Without supplements purchase 200 mg pyridium fast delivery, a person with primary carnitine defciency is particularly vulnerable to "metabolic crisis"-sleepiness purchase pyridium on line amex, irritability buy pyridium 200 mg low cost, fever pyridium 200 mg without a prescription, nausea, vomiting, low blood sugar-when they go long periods without eating or are ill. If the crises The Counsyl Family Prep Screen - Disease Reference Book Page 227 of 287 are not treated, the child may experience seizures, swelling of the brain, and other life-threatening symptoms. Primary carnitine defciency afects approximately 1 in 100,000 newborns and is known to be more common-1 in 40,000-in Japan. People with primary carnitine defciency will need to take supplements of L- carnitine for their entire lives. If these children have begun to experience heart problems or muscle weakness, they can typically reverse those symptoms by taking L-carnitine. With regular treatment begun at birth, the prognosis for a person with primary carnitine defciency is very good. If treatment is not begun soon enough, these children can experience permanent brain damage, leading to learning difculties or even mental retardation. Without any treatment, the disease causes numerous serious health problems and would likely be fatal. The Counsyl Family Prep Screen - Disease Reference Book Page 228 of 287 Primary Hyperoxaluria Type 1 Available Methodologies: targeted genotyping and sequencing. Detection Population Rate* 42% African American 42% Ashkenazi Jewish 42% Eastern Asia 42% Finland 42% French Canadian or Cajun 42% Hispanic 42% Middle East 42% Native American 42% Northwestern Europe 42% Oceania 42% South Asia 42% Southeast Asia 42% Southern Europe * Detection rates shown are for genotyping. This oxalate leads to a buildup of insoluble calcium salts in the kidneys and other organs. This can lead to bone pain; vision loss; tingling, numbness, or pain in the extremities; enlargement of the liver and spleen; and problems with the electrical system of the heart (heart block). Symptoms typically begin between the ages of 1 and 25, with roughly 80% showing signs of the disease in late childhood or early adolescence. It is thought to be more common in Tunisia, Iran, and Israeli Arab and Druze populations. In some of these people, the oxalate level can be normalized, while in others it is merely reduced to a healthier level. A physician may prescribe medication or other vitamins to help lower oxalate levels and inhibit the formation of kidney stones. Because a defcient liver enzyme leads to kidney failure, early liver transplantation may avoid the need to also transplant new kidneys. Kidney replacement alone is not a sufcient treatment as the liver could destroy the new kidneys as well. In more severe cases, children will develop kidney failure between the ages of 3 and 6 and will require organ transplants in order to survive. Early detection and treatment with vitamin B6 can help avoid kidney failure in some cases. Following organ transplant, some people have lived normal or near-normal lifespans. The Counsyl Family Prep Screen - Disease Reference Book Page 231 of 287 Primary Hyperoxaluria Type 2 Available Methodologies: targeted genotyping and sequencing. Detection Population Rate* <10% African American 37% Ashkenazi Jewish 16% Eastern Asia 37% Finland 37% French Canadian or Cajun <10% Hispanic <10% Middle East <10% Native American 37% Northwestern Europe <10% Oceania <10% South Asia 16% Southeast Asia 37% Southern Europe * Detection rates shown are for genotyping. This oxalate leads to a buildup of insoluble calcium salts in the kidneys and other organs. Symptoms typically begin between the ages of 1 and 25, with roughly 80% showing signs of the disease in late childhood or early adolescence. The Counsyl Family Prep Screen - Disease Reference Book Page 232 of 287 How common is Primary Hyperoxaluria Type 2? As of 2002, only 37 individuals with the disease have been described in medical literature. A physician may prescribe medications or other vitamins to help lower oxalate levels and inhibit the formation of kidney stones. Because a defcient liver enzyme leads to kidney failure, early liver transplantation may avoid the need to also transplant new kidneys. Kidney replacement alone is not a sufcient treatment as the liver could destroy the new kidneys as well. Some people with the disease will develop kidney failure that may require liver and kidney transplantation. Following organ transplant, some people have lived normal or near-normal lifespans. Detection Population Rate* 55% African American 55% Ashkenazi Jewish 55% Eastern Asia 55% Finland 55% French Canadian or Cajun 55% Hispanic 55% Middle East 55% Native American 55% Northwestern Europe 55% Oceania 55% South Asia 55% Southeast Asia 55% Southern Europe * Detection rates shown are for genotyping. This typically leaves afected people small in stature and reliant on hormone replacement therapy in order to develop secondary sex characteristics. The severity of hormone defciencies can vary from person to person, even among those who share the same disease-causing genetic mutation(s). At some point between the ages of 9 months to 8 years, they fail to grow at the expected rate due to a defciency in growth hormone. People with the disease often have delayed or incomplete development of secondary sex characteristics. Men usually have a small penis and testes and women may begin to menstruate, but will require hormone replacement in order to avoid early menopause. There may also be some degree of defciency in the adrenal gland, leading to symptoms such as persistent weakness, fever, abdominal pain, and weight loss. The replacement of other hormones is often recommended as their defciencies are noted. Hormone replacement can induce the development of secondary sexual characteristics in both boys and girls and it is possible that they will be able to have children. The Counsyl Family Prep Screen - Disease Reference Book Page 235 of 287 Prothrombin Thrombophilia Available Methodology: targeted genotyping. Detection Population Rate >99% African American >99% Ashkenazi Jewish >99% Eastern Asia >99% Finland >99% French Canadian or Cajun >99% Hispanic >99% Middle East >99% Native American >99% Northwestern Europe >99% Oceania >99% South Asia >99% Southeast Asia >99% Southern Europe What is Prothrombin Thrombophilia? These clots are caused by an overproduction of a clot-promoting protein called prothrombin. While prothrombin thrombophilia increases clotting risks, the efects of the disease vary greatly from person to person. Many people with the disease never develop abnormal clotting while some experience repeated clots before the age of 30. People with prothrombin thrombophilia will be more likely to develop a clot if they also have another clotting disorder such as factor V Leiden thrombophilia, protein S defciency, or hyperhomocysteinemia. One copy of the mutation (heterozygous) Overall, adults with one copy of the G20210A mutation are 2 to 4 times more likely to develop a clot then the general population. As children, their risks are 3 to 4 times greater, although most people with prothrombin thrombophilia will not develop abnormal clots as children. Some studies have indicated that pregnant women with the disease are at greater risk for pregnancy loss and other complications. In Southern Europe, 3% of the population has one copy of the mutation while in Northern Europe, that fgure falls to 1. The mutation is extremely rare in Asian, African, and Native American populations. Roughly 1 in 10,000 people have two copies of the G20210A mutation in populations where the mutation is prevalent. The Counsyl Family Prep Screen - Disease Reference Book Page 237 of 287 How is Prothrombin Thrombophilia treated? Until an abnormal clotting incident occurs, no specifc treatment is needed for people with prothrombin thrombophilia. Women with the disease-causing mutations should avoid oral contraceptives and hormone replacement therapy. There is not yet any consensus on how pregnant women with the disease should be treated. Physicians will treat any clotting abnormality according to standard protocols, typically with anti-coagulant medication such as heparin or warfarin. People with more than one abnormal clot may be advised by their doctor to take these drugs preventatively, however the risk of clotting must be weighed against the risk of excessive bleeding caused by the drugs.