Background
The occurrence of pulmonary visceral subpleural hematoma as a complication of sternal compressions during cardiopulmonary resuscitation is extremely rare. Also, reports about the treatment of visceral subpleural hematoma are few, and there is room for discussion.
Case presentation
A 58-year-old male with histories of rheumatoid arthritis, chronic atrial fibrillation, hypertension, diabetes, and dyslipidemia developed ventricular fibrillation due to myocardial infarction and fainted. He received bystander cardiopulmonary resuscitation and direct cardioversion by the ambulance crew and had return of spontaneous circulation. After transfer to our hospital, the patient underwent percutaneous catheter intervention and stenting with a diagnosis of myocardial infarction, followed by anticoagulant and antiplatelet therapies. On the 8th hospital day, chest radiography suggested right lower lobe pneumonia, and subsequent chest computed tomography revealed pulmonary hematoma in the visceral subpleural area from S6 to S10. Since no improvement was observed in hypoxemia, treatment was considered necessary. First, an attempt at computed tomography-guided drainage of hematoma was made, but because insertion of the Pig-tail catheter was difficult due to hardness of the hematoma, evacuation of hematoma was performed on the 13th hospital day. The hematoma was located in the visceral subpleural area and was removed by incising the pleura. TachoSil Tissue Sealing sheet® and Polyglycoal acid sheet were applied to the sites of air leakage and oozing after hematoma evacuation. No re-bleeding or air leakage was observed after the treatment, and the patient was discharged on the 26th hospital day after an uneventful course.
Conclusions
Pulmonary visceral subpleural hematoma may occur as a complication of chest compression. In our case, CT-guided puncture and drainage was unsuccessful, and surgical treatment by incision of the visceral pleura and hematoma evacuation alone was effective.
A 79-year-old woman collided with a cliff in a passenger automobile. The fire department acknowledged an automated collision notification from the D-Call Net (DCN) at 1 min after the accident and called for doctors by helicopter ("Doctor-Heli" [DH] in Japan) 9 min after the injury. The DH reached the victim 28 min after the injury, and examinations revealed pain in the right side of her chest, tachypnea, and a weak radial artery pulse (indicating shock). The DH arrived at the hospital 49 min after the injury. A thoracic drainage was performed for right-sided tension pneumothorax. She recovered from the shock, but was diagnosed with flail chest and placed on a respirator. She was extubated on postoperative day 6 and transferred to a rehabilitation hospital on postoperative day 57. Due to the DCN, the patient received treatment 15 min earlier than the time taken by the conventional system. Emergency response task forces must develop strategies for connecting DCN warnings to a rapid medical response.
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