{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,8,29]],"date-time":"2025-08-29T00:02:48Z","timestamp":1756425768053,"version":"3.44.0"},"reference-count":29,"publisher":"BMJ","issue":"10","content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["BMJ Case Rep"],"accepted":{"date-parts":[[2023,10,17]]},"published-print":{"date-parts":[[2023,10]]},"abstract":"<jats:p>We present a case of a man in his 60s, known with glucose-6-phosphate dehydrogenase deficiency (G6PDd) and cor pulmonale, admitted to the department of cardiology due to cardiac decompensation and anaemia. The main complaint was dyspnoea. Echocardiography confirmed severe cor pulmonale with compression of the left ventricle. G6PDd has been linked with pulmonary hypertension which could contribute to aforementioned echocardiographic findings. Diuretics are the first line of treatment when it comes to cardiac decompensation, but sulfonamide diuretics can induce or exacerbate haemolysis in patients with G6PDd. Due to the respiratory distress of the patient, a treatment plan including sulfonamide diuretics was initiated in collaboration with the haematologists. Unfortunately, the patient died 2\u2009days after admission. This case emphasises that not all cardiac patients can tolerate standard treatment with sulfonamide diuretics; despite this, they remain essential in the acute setting, and they are associated with foreseeable but only partly manageable complications in susceptible patients.<\/jats:p>","DOI":"10.1136\/bcr-2023-255722","type":"journal-article","created":{"date-parts":[[2023,10,31]],"date-time":"2023-10-31T14:41:18Z","timestamp":1698763278000},"page":"e255722","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":1,"title":["Clinical challenges in the treatment of a patient with decompensated heart failure and glucose-6-phosphate dehydrogenase deficiency (G6PDd)"],"prefix":"10.1136","volume":"16","author":[{"given":"Nedim","family":"Tojaga","sequence":"first","affiliation":[{"name":"Department of Cardiology, Odense University Hospital, Odense, 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