Seasonal variations and occupational risk factors: Analysis of 460 patients of de Quervain's tenosynovitis.

Objectives: The objective of this study was to find out the seasonal variation in incidence of de Quervain's disease and its association with various occupations. Study design: Descriptive retrospective study Place and duration of study: The study was conducted at Department of Orthopaedic and Spine Surgery, Hayatabad Medical Complex, Peshawar and Khyber Medical Centre, Dabgari Garden, Peshawar from January 2007 to December 2019. Material and Methods: We evaluated our data of patients with diagnosis of de Quervain's tenosynovitis from 2007 till 2019. Patients with complete demographic data were included in the study. Th e fi ndings were analyzed and risk factors and seasonal variation in disease occurrence was analyzed. Results: Complete record of 460 patients was available. Females were 409 and 51 were males in a ratio of 1:8. Th e average age was 43 years. Most were housewives followed by teachers, doctors and manual laborers. Most cases presented in winter months, although there were peaks in summer as well. Conclusions: de Quervain's tenosynovitis is more common in housewives and manual workers. Th e presentation is more in winter months. [ABSTRACT FROM AUTHOR]