Fariba Keramat - MD, Brucellosis Research Center, Hamadan University of Medical Sciences, Hamadan, Iran- Department of Infectious Diseases, Sina Hospital, Hamadan University of Medical Sciences, Hamadan, Iran
Sima Sadat Ahmadinejad - MD, General Practitioner, School of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
Zahra Sanaei - PhD, Department of Community Medicine, School of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
Ali Saadatmand - MSc,

Aims: Infectious diseases are among the most serious diseases that may lead to death in many parts of the world. This study was conducted to investigate the main causes of mortality among patients hospitalized in the infectious ward and respiratory ICU of Sina hospital in Hamadan.Materials & Methods: The medical records of patients hospitalized from March ۲۰۱۲ to March ۲۰۱۷ in the infectious ward and respiratory ICU were investigated, those not surviving during the hospitalization.Findings: A total of ۵۹۳ medical records of patients were reviewed, of which ۵۳۴ cases were enrolled in this study. Among which, ۴۲۶ (۷۹.۸ %) and ۱۰۸ (۲۰.۲%)cases were related to patients hospitalized in the respiratory ICU and infectious ward, respectively The mortality rate during ۲۰۱۲ to ۲۰۱۶ was calculated as follows: ۴.۶۹% in ۲۰۱۲, ۶.۳۱% in ۲۰۱۳, ۴.۶۸% in ۲۰۱۴, ۵.۲% in ۲۰۱۵, and ۵.۸% in ۲۰۱۶. This study results showed that the most common causes of mortality were sepsis (۴۴.۴%) in the respiratory ICU and pneumonia (۲۵.۳%) in the infectious ward. The highest rates of case fatality were related to sepsis (۲۳۷cases, ۴۸.۲%) and pulmonary embolism (۱۵ cases, ۴۴.۱%).Conclusions: The present study findings showed that sepsis and pneumonia were the most common causes of death among patients hospitalized in the infectious diseases ward and respiratory ICU; also, sepsis and pulmonary embolism accounted for the highest case fatality rates.

Mortality, Infectious diseases, Sepsis, Intensive care unit