مجله دانشگاه علوم پزشکی گرگان (Dec 2023)

Determination of Lactate Dehydrogenase Serum Levels in Patients with COVID-2019 and the Factors Affecting Their Mortality in Chabahar, Iran (2021)

  • Shahabuddin Mollazaei,
  • Amirabbas Minaeifar,
  • Mahboubeh Mirhosseini,
  • Sadieh Dehghani Firouzabadi

Journal volume & issue
Vol. 25, no. 4
pp. 63 – 70

Abstract

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Background and Objective: Coronavirus disease 2019 (COVID-19) can lead to organ failure by the occurrence of mechanisms such as increased thrombosis and, subsequently, increased lactate dehydrogenase (LDH). This study was conducted to determine LDH serum levels in COVID-19 patients and the factors affecting their mortality. Methods: This descriptive-analytical study was conducted on 212 patients (57 males and 155 females) with COVID-19 with a mean age of 49.19±10.6 referring to Imam Ali Hospital in Chabahar, Iran during 2021. After obtaining patients’ informed consent and demographic information, the heparinized peripheral blood sample was taken from them. The LHD levels were determined using an autoanalyzer. Results: Twenty-nine (13.67%) patients died. The mean LDH serum level of 29 deceased patients (708.420±96.25 U/L) was not statistically significant compared to survivors (640.360±96.80 U/L in 183). The comparison between the surviving and deceased groups showed that 25% of the deceased patients were hospitalized in the intensive care unit (ICU), and 90.90% of the survivors were hospitalized in the internal ward (P<0.05). All the deceased and 85.85% of the survivors were 40 years old and above, and this difference was not statistically significant. Furthermore, 24.56% of the deceased were male, 90.32% of the survivors were female (P<0.05), 22.72% of the deceased had a university education, and 88.69% of the survivors had a diploma or under-diploma education (P<0.05), and 71.42% of the deceased patients had thin, and 91.37% of the survivors were overweight (P<0.05). Conclusion: There was no difference in the LDH serum levels of the COVID-19 survivors and deceased. The age of 40 years and above, lean and morbidly obese body mass indices, male gender, and the need for hospitalization in the ICU were determined as risk factors.

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