[Clinical features of unexpected sudden death clustered in 7 families in Yunnan Province].

Objective: To investigate the clinical features of unexpected sudden death (SUD) clustered in families in Yunnan province.

Methods: This retrospective study analyzed the clinical features of SUD occurred between July to September 2005 in 7 families in Yunnan province.

Results: All 16 SUD patients shared common clinical features such as fatigue and repeated syncope and one group of SUD patients (n = 8 from 4 families) presented with the gastric intestinal tract manifestations including nausea, vomiting, abdominal pain and diarrhea with suspected dietary history and abnormal laboratory enzyme findings (GOT/GPT, CK/CKMB, LDH/LDH1 etc.

[Morphologic features of sudden cardiac death in Yunnan province, with emphasis on myocarditis].

Objectives: To study the pathologic feature of sudden cardiac death in Yunnan province and to investigate the role of myocarditis.

Methods: During the period from 1991 to 2006, there were 29 cases of sudden cardiac death with autopsy performed. Fourteen of these cases were diagnosed to have myocarditis based on Dallas criteria and World Heart Federation's consensus.

[Electrocardiogram analysis in high risk population of unexplained sudden death in Yunnan province].

Objective: The purpose of this study was to analyze the electrocardiographic features of the people living in the area with high incidence of unexplained sudden deaths in Yunnan province.

Method: The electrocardiograms of 338 residents from three villages (Dayao, Ninglang, Heqing) with high incidence of unexplained sudden deaths and one control village (Dali) were analyzed [averaged age was (33.4 +/- 11.

[Pathological study of unexpected sudden death clustered in family or village in Yunnan province: report of 29 cases of autopsy].

Objective: To investigate the pathological features and causes of sudden death clustered in family or village in Yunnan province so as to provide the morphological basis for exploring its etiology and medical intervention.

Methods: Autopsy was performed on 29 cases of clustered in family or village in Yunnan province during the period 1991-2006, 16 males and 13 females, aged 32 (8-69), accounting for 10.2% of whole sudden unexpected deaths occurring in the same period.

[Study on clustering of Yunnan unexplained sudden death in household and village].

Objective: To discuss the clustering of Yunnan unexplained sudden death (YUSD) in household and village.

Methods: Fifty-two cases were found by YUSD surveillance system in 2005. Poisson distribution and beta-binomial distribution (BBD) were employed in studying the household distribution of the disease.

[Retrospective study on 116 unexpected sudden cardiac deaths in Yunnan, China].

Objective: To identify the epidemiological and clinical features of unexpected sudden cardiac deaths (SUD) in Yunnan.

Methods: Choosing the old SUD cases from Xiangyun, Heqing, Nanjian and Dayao counties and using the standardized verbal autopsy Form, we interviewed the family members of the cases, witnesses and doctors as well as reviewing their medical files to get relative information.

Results: We identified 116 SUDs in 21 villages from 1984 to 2004.