Graham S M, Walsh A L, Molyneux E M, Phiri A J, Molyneux M E
Department of Paediatrics, College of Medicine, Blantyre, Malawi.
Trans R Soc Trop Med Hyg. 2000 May-Jun;94(3):310-4. doi: 10.1016/s0035-9203(00)90337-7.
We report the clinical presentation and outcome of 299 Malawian children with non-typhoidal Salmonella (NTS) bacteraemia and no evidence of focal sepsis, admitted to Queen Elizabeth Central Hospital (QECH), Blantyre, over a 26-month period (February 1996-April 1998). A peak incidence during the rainy season was noted. Salmonella typhimurium (79%) and S. enteritidis (13%) were the commonest isolates. For children aged > 6 months, NTS bacteraemia was significantly associated with malarial parasitaemia (RR 1.5 [1.2, 2.2], P < 0.01) and with severe anaemia (RR 7.2 [3.4, 15.3], P < 0.0001), when compared to other common pathogens causing childhood bacteraemia. Clinical overlap with malaria and anaemia, and the presence of malarial parasitaemia on admission, may delay diagnosis. NTS bacteraemia was commonly diagnosed following blood transfusion. Resistance in vitro to ampicillin (79%), co-trimoxazole (72%) and gentamicin (55%) was very common, and was rare to chloramphenicol (0.3%) which is the antibiotic of choice for NTS sepsis at QECH. Overall mortality was high (23%). Young age and clinical HIV infection were risk factors for mortality. Recurrences of NTS bacteraemia following antibiotic therapy were common among children with clinical HIV infection.
我们报告了299名马拉维儿童非伤寒沙门氏菌(NTS)菌血症的临床表现及转归情况,这些儿童均无局灶性脓毒症证据,于1996年2月至1998年4月的26个月期间入住布兰太尔伊丽莎白女王中央医院(QECH)。发现雨季发病率最高。鼠伤寒沙门氏菌(79%)和肠炎沙门氏菌(13%)是最常见的分离菌株。与导致儿童菌血症的其他常见病原体相比,6个月以上儿童的NTS菌血症与疟疾寄生虫血症(相对危险度1.5 [1.2, 2.2],P < 0.01)及严重贫血(相对危险度7.2 [3.4, 15.3],P < 0.0001)显著相关。疟疾和贫血的临床重叠以及入院时存在疟疾寄生虫血症可能会延迟诊断。NTS菌血症通常在输血后被诊断出来。体外对氨苄西林(79%)、复方新诺明(72%)和庆大霉素(55%)的耐药性非常常见,而对氯霉素(0.3%)耐药罕见,氯霉素是QECH治疗NTS脓毒症的首选抗生素。总体死亡率较高(23%)。年龄小和临床HIV感染是死亡的危险因素。抗生素治疗后NTS菌血症复发在临床HIV感染儿童中很常见。
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