著者
Tomomi Kinoshita Ryu-ta Abe Akiyo Hineno Kazuhiro Tsunekawa Shunya Nakane Shu-ichi Ikeda
出版者
一般社団法人 日本内科学会
雑誌
Internal Medicine (ISSN:09182918)
巻号頁・発行日
vol.53, no.19, pp.2185-2200, 2014 (Released:2014-10-01)
参考文献数
49
被引用文献数
33 or 0

Objective To investigate the causes of neurological manifestations in girls immunized with the human papillomavirus (HPV) vaccine. Methods During the past nine months, 44 girls visited us complaining of several symptoms after HPV vaccination. Four patients with other proven disorders were excluded, and the remaining forty subjects were enrolled in this study. Results The age at initial vaccination ranged from 11 to 17 years, and the average incubation period after the first dose of the vaccine was 5.47±5.00 months. Frequent manifestations included headaches, general fatigue, coldness of the legs, limb pain and weakness. The skin temperature examined in 28 girls with limb symptoms exhibited a slight decrease in the fingers (30.4±2.6°C) and a moderate decrease in the toes (27.1±3.7°C). Digital plethysmograms revealed a reduced height of the waves, especially in the toes. The limb symptoms of four girls were compatible with the Japanese clinical diagnostic criteria for complex regional pain syndrome (CRPS), while those in the other 14 girls were consistent with foreign diagnostic criteria for CRPS. The Schellong test identified eight patients with orthostatic hypotension and four patients with postural orthostatic tachycardia syndrome. The girls with orthostatic intolerance and CRPS commonly experienced transient violent tremors and persistent asthenia. Electron-microscopic examinations of the intradermal nerves showed an abnormal pathology in the unmyelinated fibers in two of the three girls examined. Conclusion The symptoms observed in this study can be explained by abnormal peripheral sympathetic responses. The most common previous diagnosis in the studied girls was psychosomatic disease. The social problems of the study participants remained unresolved in that the severely disabled girls stopped going to school.
著者
Yanli Wang Baocheng Deng Jie Zhang Wei Cui Wenqing Yao Pei Liu
出版者
一般社団法人 日本内科学会
雑誌
Internal Medicine (ISSN:09182918)
巻号頁・発行日
vol.53, no.8, pp.903-906, 2014 (Released:2014-04-15)
参考文献数
6
被引用文献数
11 or 0

Severe fever with thrombocytopenia syndrome (SFTS) is an emerging infectious disease recently discovered in northeastern and central China that is caused by a novel bunyavirus, severe fever with thrombocytopenia syndrome virus (SFTSV). Humans are primarily infected through tick bites. Four previous reports have discussed SFTS infection from person to person, all cases of which were symptomatic. In this report, we analysed the epidemiological and clinical data for a cluster of cases, including one case of secondary-asymptomatic infection, and review the literature regarding SFTSV transmission from person to person. We conclude that SFTSV caused the asymptomatic infections via person-to-person contact with infected blood.
著者
光武 範吏 山下 俊一
出版者
一般社団法人 日本内科学会
雑誌
日本内科学会雑誌 (ISSN:00215384)
巻号頁・発行日
vol.98, no.8, pp.1999-2005, 2009 (Released:2012-08-02)
参考文献数
15
被引用文献数
1 or 0

甲状腺癌の大半は予後良好な乳頭癌である.しかし,低分化,未分化タイプの予後不良な進行癌が存在し,新たな治療法が模索されている.最近の研究の進歩により,甲状腺癌の病因と考えられる遺伝子異常の種類とその頻度,そして各機能が明らかにされつつある.すなわち,病理組織学的分類による乳頭癌,濾胞癌,未分化癌そして髄様癌に特徴的な遺伝子異常の存在が明らかにされ,各遺伝子異常を標的とした分子標的治療の新知見が積み重ねられ,欧米では具体的な臨床応用が展開されている.また,甲状腺癌幹細胞様細胞の存在も治療戦略上重要な標的となりうる.しかし,本邦では甲状腺癌治療に関する多施設共同調査研究ネットワークの構築が遅れ,分子標的治療の臨床治験やその統計疫学的な有効性の評価体制も未整備である.本稿は,甲状腺癌に代表的な遺伝子異常とその役割を概説し,第三の内科的治療としての分子標的治療の展望とその有効性について紹介する.
著者
Satoe Okabayashi Masashi Goto Takashi Kawamura Hidetsuna Watanabe Akira Kimura Reiko Uruma Yuko Takahashi Setsuko Taneichi Manabu Musashi Koichi Miyaki
出版者
一般社団法人 日本内科学会
雑誌
Internal Medicine (ISSN:09182918)
巻号頁・発行日
vol.53, no.9, pp.949-956, 2014 (Released:2014-05-01)
参考文献数
23

Objective Kakkonto, a Japanese herbal medicine, is frequently used to treat the common cold not only with a physician's prescription, but also in self-medication situations. This study aimed to examine whether Kakkonto prevents the aggravation of cold symptoms if taken at an early stage of illness compared with a well-selected Western-style multiple cold medicine. Methods This study was a multicenter, active drug-controlled, randomized trial. Adults 18 to 65 years of age who felt a touch of cold symptoms and visited 15 outpatient healthcare facilities within 48 hours of symptoms onset were enrolled. The participants were randomly assigned to two groups: one treated with Kakkonto (Kakkonto Extract-A, 6 g/day) (n=209) and one treated with a Western-style multiple cold medicine (Pabron Gold-A, 3.6 g/day) (n=198) for at most four days. The primary outcome of this study was the aggravation of cold, nasal, throat or bronchial symptoms, scored as moderate or severe and lasting for at least two days within five days after entry into the study. Results Among the 410 enrollees, 340 (168 in the Kakkonto group and 172 in the Pabron group) were included in the analyses. The proportion of participants whose colds were aggravated was 22.6% in the Kakkonto group and 25.0% in the Pabron group (p=0.66). The overall severity of the cold symptoms was not significantly different between the groups. No harmful adverse events occurred in either group. Conclusion Kakkonto did not significantly prevent the progression of cold symptoms, even when prescribed at an early stage of the disease.
著者
Yoshifumi Yamada Junichi Uchida Hisa Izumi Yoko Tsukamoto Gaku Inoue Yuichi Watanabe Junichiro Irie Satoru Yamada
出版者
一般社団法人 日本内科学会
雑誌
Internal Medicine (ISSN:09182918)
巻号頁・発行日
vol.53, no.1, pp.13-19, 2014 (Released:2014-01-01)
参考文献数
26
被引用文献数
7 or 0

Objective Although caloric restriction is a widely used intervention to reduce body weight and insulin resistance, many patients are unable to comply with such dietary therapy for long periods. The clinical effectiveness of low-carbohydrate diets was recently described in a position statement of Diabetes UK and a scientific review conducted by the American Diabetes Association. However, randomised trials of dietary interventions in Japanese patients with type 2 diabetes are scarce. Therefore, the aim of this study was to examine the effects of a non-calorie-restricted, low-carbohydrate diet in Japanese patients unable to adhere to a calorie-restricted diet. Methods The enrolled patients were randomly allocated to receive a conventional calorie-restricted diet or low-carbohydrate diet. The patients received consultations every two months from a registered dietician for six months. We compared the effects of the two dietary interventions on glycaemic control and metabolic profiles. Results The HbA1c levels decreased significantly from baseline to six months in the low-carbohydrate diet group (baseline 7.6±0.4%, six months 7.0±0.7%, p=0.03) but not in the calorie-restricted group (baseline 7.7±0.6%, six months 7.5±1.0%, n.s.), (between-group comparison, p=0.03). The patients in the former group also experienced improvements in their triglyceride levels, without experiencing any major adverse effects or a decline in the quality of life. Conclusion Our findings suggest that a low-carbohydrate diet is effective in lowering the HbA1c and triglyceride levels in patients with type 2 diabetes who are unable to adhere to a calorie-restricted diet.
著者
Kenji Sekiguchi Naoko Yasui Hisatomo Kowa Fumio Kanda Tatsushi Toda
出版者
一般社団法人 日本内科学会
雑誌
Internal Medicine (ISSN:09182918)
巻号頁・発行日
vol.55, no.21, pp.3181-3184, 2016-11-01 (Released:2016-11-01)
参考文献数
20
被引用文献数
2 or 0

We herein present two cases of acute disseminated encephalomyelitis (ADEM) following vaccination against human papilloma virus (HPV). Case 1 experienced diplopia and developed an unstable gait 14 days after a second vaccination of Cervarix. Brain magnetic resonance imaging (MRI) showed an isolated small, demyelinating lesion in the pontine tegmentum. Case 2 experienced a fever and limb dysesthesia 16 days after a second vaccination of Gardasil. Brain MRI revealed hyperintense lesion in the pons with slight edema on a T2-weighted image. Both cases resolved completely. It is important to accumulate further data on confirmed cases of ADEM temporally associated with HPV vaccination.
著者
Takahiro Higashi Shunichi Fukuhara
出版者
一般社団法人 日本内科学会
雑誌
Internal Medicine (ISSN:09182918)
巻号頁・発行日
vol.48, no.16, pp.1369-1375, 2009 (Released:2009-08-17)
参考文献数
25
被引用文献数
7 or 0

Background The overuse of antibiotics results in the unnecessary spread of resistant strains. A common setting for antibiotic overuse is in the treatment of upper respiratory tract infections (URIs), which are predominantly due to viruses. Objective To investigate the type and frequency of antibiotic prescription for URI without apparent bacterial infection in Japan, based on both visits and facilities. Design Cross-sectional analysis of insurance claims submitted to an employer-sponsored health insurance plan in Japan between January and March, 2005 for diagnoses of URI. Claims having a potentially valid reason for antibiotic prescription (e.g., secondary diagnosis of pneumonia) were excluded. Outcome Measures Antibiotics prescribed for these URI visits. Results From a total of 24,134 claims, 2,577 claims (non-bacterial URI, one visit per claim) were analyzed; antibiotics were prescribed in 60% of these visits. Third-generation cephalosporins were the most commonly-prescribed drug class (46%), followed by macrolides (27%) and quinolones (16%). In general, visits to physician offices were more likely to result in an antibiotic prescription than visits to hospital outpatient clinics. No statistically significant difference was identified among hospital types, including private and public ownership or teaching hospital status. Analysis of the frequency of antibiotic prescription by facility revealed two peaks in distribution, with one group prescribing to about 90% of URI patients and the second appearing to prescribe to about 40% of patients. Conclusion Antibiotics are frequently prescribed to URI patients in Japan. Although overuse results from the difficulty in accurately distinguishing viral from bacterial URIs, some facilities appear to attempt to differentiate the underlying cause of the URI while others do not.
著者
長瀧 重信 芦澤 潔人
出版者
一般社団法人 日本内科学会
雑誌
日本内科学会雑誌 (ISSN:00215384)
巻号頁・発行日
vol.86, no.7, pp.1215-1221, 1997-07-10 (Released:2008-06-12)
参考文献数
4

情報が錯綜しているチェルノブイリ原子力発電所事故の健康に対する影響について1990年から現地で医療調査に従事して来た経験をもとに紹介する. 10年目に明らかに臨床的に確認された健康傷害は134名の急性放射線症(28名が3カ月以内に死亡)と800名の小児甲状腺癌(3名が死亡)だけである.被曝線量に不確的要素が多いために放射線傷害の調査は続行中であるが, 4~5年で癌の発症が100倍以上になったことは前代未聞であり,現地の癌の発生を予防するためにも一般的な癌発生の機序の研究にも国際的な協力体制が望まれる.

17 0 0 0 OA 1)肺と腎臓

著者
有村 義宏
出版者
一般社団法人 日本内科学会
雑誌
日本内科学会雑誌 (ISSN:00215384)
巻号頁・発行日
vol.100, no.9, pp.2530-2536, 2011 (Released:2013-04-10)
参考文献数
10
著者
Yoshito Kamijo Michiko Takai Yuji Fujita Yasuo Hirose Yasumasa Iwasaki Satoshi Ishihara Takashi Yokoyama Keiichi Yagi Tetsuya Sakamoto
出版者
一般社団法人 日本内科学会
雑誌
Internal Medicine (ISSN:09182918)
巻号頁・発行日
vol.53, no.21, pp.2439-2445, 2014 (Released:2014-11-01)
参考文献数
33
被引用文献数
9 or 0

Objective We conducted a multicenter retrospective survey of patients poisoned by synthetic chemicals (SCs) in Japan. Methods Letters were sent to 467 emergency facilities requesting participation in the study, and questionnaires were mailed to facilities that agreed to participate. Patients The study participants were patients who were transported to emergency facilities between January 2006 and December 2012 after consuming SC-containing products. Results We surveyed 518 patients from 60 (12.8%) facilities. Most patients were male (82.0%), in their 20s or 30s (80.5%), and had inhaled SCs (87.5%) contained in herbal products (86.0%). Harmful behavior was observed at the scene of poisoning for 56 patients (10.8%), including violence to others or things in 32, traffic accidents in seven, and self-injury or suicide attempts in four. Other than physical and neuropsychiatric symptoms, some patients also had physical complications, such as rhabdomyolysis (10.0%). Of the 182 patients (35.1%) admitted to hospitals, including 29 (5.6%) who needed respirators, all of the 21 (4.1%) hospitalized for at least seven days were male, and 20 had physical complications (rhabdomyolysis, 12; liver dysfunction, 5; renal dysfunction, 11; and physical injuries, 3). Most patients (95.6%) completely recovered, although 10 (1.9%) were transferred to a psychiatric department or hospital, and three (0.6%) were handed over to the police due to combative or violent behavior. SCs such as synthetic cannabinoids, synthetic cathinones, or methoxetamine were detected in 20 product samples. Conclusion Consuming products containing SCs can result in physical complications, including rhabdomyolysis, injuries, and physical or neuropsychiatric symptoms, which may require active interventions, such as respirator use or prolonged hospitalization.
著者
石川 勲
出版者
一般社団法人 日本内科学会
雑誌
日本内科学会雑誌 (ISSN:00215384)
巻号頁・発行日
vol.103, no.5, pp.1101-1107, 2014-05-10 (Released:2015-05-10)
参考文献数
11

運動後にみられる急性腎障害には,ミオグロビン尿性と非ミオグロビン尿性の2種類がある.ミオグロビン尿性はマラソンなど過度の運動により横紋筋が融解されて起こる急性腎障害で赤褐色尿(コーク色の尿)で発見される.血清CK値は基準値上限の20倍以上と著しく高い.一方,非ミオグロビン尿性は運動後急性腎障害(ALPE)で,典型例は運動会で200 mを全力疾走した後に,背腰痛で発見される.血清CK値は基準値内か軽度上昇で,腎性低尿酸血症患者に起こりやすい.
著者
Kazuhiko Higashioka Hiroaki Niiro Kenji Yoshida Kensuke Oryoji Kazuo Kamada Shinichi Mizuki Eisuke Yokota
出版者
一般社団法人 日本内科学会
雑誌
Internal Medicine (ISSN:09182918)
巻号頁・発行日
vol.55, no.5, pp.467-471, 2016 (Released:2016-03-01)
参考文献数
32

Objective Low-dose trimethoprim-sulfamethoxazole (TMP-SMX) is commonly used to prevent pneumocystis pneumonia in daily practice. Previous reports have shown a relationship between high- or standard-dose of TMP-SMX and hyperkalemia, however it remains unclear whether this is true for low-dose TMP-SMX. In this study we sought to determine the risk factors for hyperkalemia associated with low-dose TMP-SMX. Methods In this retrospective cohort study, 186 consecutive adult patients who received TMP-SMX as prophylaxis for pneumocystis pneumonia from January 2014 to January 2015 were evaluated. Data on the patients' age, gender, baseline estimated glomerular filtration rate (eGFR), baseline serum potassium, maximum serum potassium, duration reaching the maximal serum potassium level, dosage, and concomitant use of angiotensin-converting enzyme inhibitors (ACEi)/angiotensin receptor blockers (ARB), β-blockers, non-steroidal anti-inflammatory drugs and potassium-sparing diuretics were retrospectively collected. Hyperkalemia was defined as a serum potassium level ≥5 mEq/L. Univariate and multivariate analyses were performed. Results The median age of the patients was 66 years and 51.1% were men. Hyperkalemia associated with low-dose TMP-SMX was observed in 32 patients (17.2%). The median duration to reach the maximal serum potassium level was 12 days. The multivariate logistic regression analysis identified renal insufficiency to be a major risk factor for hyperkalemia associated with low-dose TMP-SMX (eGFR <60 mL/min/1.73 m2, adjusted OR 4.62). Moreover, in the subpopulation of patients with renal insufficiency, ACEi/ARB use was considered to be a major risk factor for hyperkalemia (adjusted OR 3.96). Conclusion Renal insufficiency in concert with ACEi/ARB use is a major risk factor for hyperkalemia induced by low-dose TMP-SMX.
著者
Eikan Mishima Kazuichi Maruyama Toru Nakazawa Takaaki Abe Sadayoshi Ito
出版者
一般社団法人 日本内科学会
雑誌
Internal Medicine (ISSN:09182918)
巻号頁・発行日
vol.56, no.13, pp.1687-1690, 2017-07-01 (Released:2017-07-01)
参考文献数
15

CYP3A4-inhibitors can potentiate the hypotensive effect of calcium-channel blockers. However, insufficient attention to such drug interactions may result in serious adverse reactions. A 71-year-old hypertensive man prescribed nifedipine was hospitalized for infectious endophthalmitis. Antimicrobial therapy with voriconazole lowered the blood pressure, and then clarithromycin further lowered it through the excessively elevated nifedipine concentration, leading to ischemic acute kidney injury. After the discontinuation of clarithromycin and voriconazole, the blood pressure and renal function were recovered. The combination of CYP3A4-inhibitors such as clarithromycin plus voriconazole can synergistically potentiate calcium-channel blockers. Co-prescription of multiple CYP3A4-inhibitors with calcium-channel blockers increases the risk of hypotension and acute kidney injury.