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Key Clinical Message: Recently spontaneous tension pneumomediastinum (STM), were reported as infrequent complications in coronavirus disease 2019 (COVID‐19) patients but pneumothorax (PT), and subcutaneous emphysema (SE) are more frequently seen in COVID‐19 patients. PT and SE may present after PTM in COVID‐19. The aim of this presentation is to show the complications of STM in an Iranian patients with COVID‐19 disease with PT and SE, who were hospitalized in Arya hospital, Rasht, Iran. For 3 months, we followed these patients and their condition was good. STM are uncommon complications in COVID‐19 patients and were reported frequently in male patients. Early diagnosis and treatment could save the patients as these complications are related to poor prognosis and prolonged hospitalization. Patients with mild COVID‐19 and mild pulmonary damage may have a favorable outcome. [ABSTRACT FROM AUTHOR]

Surgical approaches to primary hyperparathyroidism (PHPT) have been associated with a change from invasive to non-invasive methods in the last 20 years. In this cross-sectional descriptive study, 55 patients with primary adenoma-induced HPT underwent surgery. The parathyroid gland in patients with primary hyperparathyroidism caused by parathyroid adenoma was removed by open surgery with an incision of about 2 cm in the neck in a targeted manner in a site localized by ultrasound or Sestamibi scan. The patients' personal information, including age, sex, length of hospital stay, serum calcium and parathyroid hormone (PTH) levels, success rate, and problems and unwanted adverse consequences of surgery (e.g. infection and bleeding) were recorded for each patient and collected information was analyzed in SPSS software. Most patients were women (80%) and individuals in the age range of 41-60 years (47.3%). The hospital stay length ranged from 2 to 5 days with an average of 3.25±0.9 days. Success was considered as a decrease in PTH and calcium levels during the first 24 h after the intervention, and success rates of 100, 98.2, and 69.1%, respectively, were evaluated for a reduction of at least 50% in PTH levels and less than 40 ng/ml of PTH levels. No major complications were reported in the studied patients. Wilcoxon test revealed significant decreases in patients' postoperative serum calcium and PTH levels (P=0.000). Mini-incision Parathyroidectomy with limited incision was associated with significant reductions in serum calcium and PTD without complications. [ABSTRACT FROM AUTHOR]

Objective: Bullous lung disease is characterised by the development of bullae within the lung parenchyma. Smoking is considered as a main risk factor of bullae formation. The clinical manifestation varies from asymptomatic bullae to severe respiratory distress. The exact medical approach is still controversial. Here, we aimed to evaluate the patient clinical characteristics and the indication of surgery in the patients. Methods: This study was an analytic cross-sectional study in Razi hospital, Rasht, Iran, in 2016-2020. A total of 110 patients with newly diagnosed lung bullae underwent evaluation based on a checklist, which assessed the variables as clinical characteristics, bullae features, the medical treatment, and its complication. Eventually, statistical analysis was performed by using SPSS v21.0. Results: A total of 110 patients were enrolled. All the patients were smokers. In 72.9%, the primary presentation was respiratory distress, which needed surgical resection with no recurrence over 8 months. The clinical manifestation varies from asymptomatic bullae in 4.3% and pneumonia in 34.3% to respiratory distress in 61.4%. There was no statistical correlation between clinical manifestation and all the studied variables excluding respiratory distress (p value: 0.659). Seventy patients underwent surgical treatment, in which 20 cases were complicated by air leak that was managed by the chest tube in 16 patients and the Heimlich valve in four patients. No evidence of recurrence was detected. Conclusion: The main risk factor of bulla formation is smoking. Because of various clinical presentations, the appropriate medical approach is of paramount importance. [ABSTRACT FROM AUTHOR]