RT Journal Article SR Electronic T1 Tuberculosis-Associated Secondary Pneumothorax: A Retrospective Study of 53 Patients JF Respiratory Care FD American Association for Respiratory Care SP 298 OP 302 DO 10.4187/respcare.00695 VO 56 IS 3 A1 Masoud Shamaei A1 Payam Tabarsi A1 Saviz Pojhan A1 Leila Ghorbani A1 Parvaneh Baghaei A1 Majid Marjani A1 Mohammad Reza Masjedi YR 2011 UL http://rc.rcjournal.com/content/56/3/298.abstract AB BACKGROUND: Pneumothorax is a well known complication of pulmonary tuberculosis (TB), particularly in patients with advanced TB. METHODS: At our national TB-referral hospital, we compared the medical records of 53 TB patients with pneumothorax and 106 TB patients without pneumothorax, seen in 2003 to 2008. We analyzed data on demographics; TB type (smear-positive, smear-negative, extrapulmonary); patient type (new patient, relapse, treatment default, treatment failure); clinical and radiological manifestations; surgeries; and outcomes. RESULTS: Of the 53 pneumothorax patients, 34 (64%) were male. The pneumothorax group's mean age was 34 y (range 14–76 y). Thirty-six (68%) of the pneumothorax patients were new TB cases (ie, TB undiagnosed before they presented with pneumothorax). Pneumothorax was not significantly associated with sex, smoking, or drug use. Pneumothorax was significantly more common in patients < 30 years old (P < .001). In terms of radiological manifestations, 20 pneumothorax patients (38%) had cavitary lesions, and pulmonary infiltration and effusion were present in 19 (36%) and 17 (32%) patients, respectively. Cavitary lesion was significantly more common among the pneumothorax patients (P = .006). Overall, 47 (89%) of the pneumothorax patients were relieved with chest-tube insertion; the other pneumothorax patients were only observed. CONCLUSIONS: In patients < 30 years old or with cavitary lesions, worsening of the patient's respiratory condition should prompt consideration of pneumothorax.