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Haematologica ; 2022 Jul 14.
Article in English | MEDLINE | ID: covidwho-2246859


Allogeneic hematopoietic cell transplantation (alloHCT) can potentially salvage large B-cell lymphoma (LBCL) patients experiencing treatment failure after chimeric antigen receptor T-cell therapy (CAR-T). Nonetheless, data on the efficacy and toxicities of alloHCT after receipt of CAR-T are limited. We report a multicenter retrospective study assessing the safety, toxicities, and outcomes of alloHCT in LBCL patients following CAR-T failure. Eighty-eight patients with relapsed, refractory LBCL received an alloHCT following anti-CD19 CAR-T failure. The median number of lines of therapy between CAR-T infusion and alloHCT was 1 (range 0-7). Low intensity conditioning was used in 77% (n=68) and peripheral blood was the most common graft source (86%, n=76). The most common donor types were matched unrelated donor (39%), followed by haploidentical (30%) and matched related donor (26%). Median follow-up of survivors was 15 months (range 1-72). One-year overall survival, progression-free survival, and graft-versus-host disease-free relapse-free survival were 59%, 45%, and 39% respectively. One-year non-relapse mortality and progression/relapse were 22% and 33% respectively. On multivariate analysis.

J Pak Med Assoc ; 73(1): 174-176, 2023 Jan.
Article in English | MEDLINE | ID: covidwho-2230762


Covid-19 associated pulmonary aspergillosis (CAPA) is a new entity and is associated with high morbidity and mortality. Covid-19 is a pro-inflammatory and immunosuppressive disease, provoking fungal infections, especially by Aspergillus species. We describe the case of a critically ill Covid-19 female patient, who was diagnosed with CAPA infection and acute respiratory distress syndrome (ARDS). She was given intravenous Remdesivir. Her chest X-ray a few days after admission showed multiple cavities. Her condition initially improved but deteriorated again, with worsening hypoxia and pneumothorax and multiple cavitary lesions on HRCT of the chest. Despite optimal treatment, she could not recover. Interestingly, she had no predisposing risk factor for pulmonary aspergillosis, such as chronic lung disease, diabetes or use of immunosuppressants such as Tocilizumab. CAPA is an emerging entity with worsening hypoxia, and failure to improve can be an early sign. Early identification and treatment can improve survival and outcomes in Covid-19 patients.

COVID-19 , Pneumonia , Pulmonary Aspergillosis , Humans , Female , COVID-19/complications , Pulmonary Aspergillosis/diagnosis , Pulmonary Aspergillosis/diagnostic imaging , Administration, Intravenous , Hypoxia , Immunosuppressive Agents/therapeutic use
J Ayub Med Coll Abbottabad ; 34(3): 557-562, 2022.
Article in English | MEDLINE | ID: covidwho-2115707


BACKGROUND: Coronavirus disease 19 (COVID-19) is a viral disease caused by SARS-CoV-2. There is an increased incidence of a thromboembolic phenomenon in patients with COVID-19 infection. Pulmonary embolism is the most common thrombotic presentation in COVID-19 patients. Extra-pulmonary thrombosis is an unusual thrombotic complication of COVID-19 disease. METHODS: This study was conducted at The Aga Khan University Hospital from June-July'2021. Patients clinical and laboratory findings, treatment, and outcomes were recorded. RESULTS: We report three cases with the diagnosis of COVID-19 pneumonia associated with extra-pulmonary thrombosis from June to July 2021. The mean age of the patients were 66.3 and two of them (66.6%) were male. The diagnosis of COVID-19 was confirmed by real-time reverse transcriptase-polymerase chain reaction analysis in all the three patients. Extra-pulmonary thrombosis was identified in the celiac artery and splenic veins in case 1, left common iliac artery in case 2, and left ventricular apical thrombus in case 3. All the patients were treated with anticoagulation. In total, two patients were discharged home after total recovery, while the third patient died. CONCLUSIONS: The take-home message is that COVID-19 infection is a pro-thrombotic condition that can provoke arterial and venous thrombosis. Extra-pulmonary thrombosis is increasingly identified with COVID-19 infection. It is important to remember that the patient might have no potential risk factor for thromboses, as COVID-19 infection per se is a risk to induce thrombosis.

COVID-19 , Thrombosis , Venous Thrombosis , Humans , Male , Female , COVID-19/complications , SARS-CoV-2 , Anticoagulants/therapeutic use , Venous Thrombosis/etiology , Thrombosis/etiology