ArticleSurgical case reports2026
Successful Lung Transplantation after Plasma Exchange in a Patient with High Thermal Amplitude Cold Agglutinins: A Case Report.
Article in Surgical case reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
introductionCold agglutinins (CAs) are immunoglobulin M autoantibodies that induce red blood cell agglutination at low temperatures and may cause hemolytic or thrombotic complications during procedures associated with hypothermia. In lung transplantation (LT), blood may be exposed to low temperatures within the reperfused lung graft and the extracorporeal circulation circuit, potentially increasing the risk of CA-mediated complications. However, the perioperative significance of CAs in this setting remains unclear, and optimal management has not been established. We report a case of successful bilateral LT in a patient with high-thermal-amplitude CAs managed with preoperative plasma exchange (PLEX) and strict intraoperative temperature control. CASE PRESENTATION: A 55-year-old man with diffuse panbronchiolitis and secondary pulmonary hypertension was listed for bilateral LT. Preoperative testing incidentally revealed clinically significant CAs, with a titer of 1:128 at 4°C and a thermal amplitude of 30°C. Because intraoperative blood temperature might approach this threshold despite active warming, a single preoperative session of PLEX using 36 units of fresh frozen plasma was performed to reduce the risk of a CA-mediated complication. Bilateral LT was subsequently completed under meticulous temperature management, including extracorporeal circulation maintained at 37.5°C, continuous systematic warming, avoidance of topical ice application, and rewarming of the donor lungs before reperfusion. After surgery, the CA titer decreased to 1:32. The postoperative course was uneventful, without thromboembolic events, primary graft dysfunction, or bronchial complications.
conclusionsLT may be performed safely in selected patients with high-thermal-amplitude CAs when careful perioperative temperature control is combined with preoperative PLEX. PLEX should be considered when the anticipated intraoperative temperature is expected to approach the patient's thermal amplitude threshold.
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