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עמוד בית
Sat, 07.12.24

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March 2023
Dorit Shitenberg MD, Barak Pertzov MD, Moshe Heching MD, Yael Shostak MD, Osnat Shtraichman MD, Dror Rosengarten MD, Moshe Yeshurun MD, Yury Peysakhovich MD, Yaron Barac MD, Mordechai R. Kramer MD

Background: Late-onset pulmonary complications can occur following hematological stem cell transplantation (HSCT). In allogeneic HSCT these complications are often associated with chronic graft-versus-host disease (GVHD). Lung transplantation (LTx) often remains the only viable therapeutic option in these patients.

Objectives: To describe our experience with LTx due to GVHD after HSCT and to compare the long-term survival of this group of patients to the overall survival of our cohort of LTx recipients for other indications.

Methods: We retrospectively retrieved all data on patients who had undergone LTx for end-stage lung disease as a sequela of allogeneic HSCT, between 1997 and 2021, at Rabin Medical Center in Israel.

Results: A total of 15 of 850 patients (1.7%) from our cohort of LTx recipients fulfilled the criteria of LTx as a sequela of late pulmonary complication after allogeneic HSCT. The median age at the time of HSCT was 33 years (median 15–53, range 3–60). The median time between HSCT and first signs of chronic pulmonary GVHD was 24 months (interquartile range [IQR] 12–80). The median time from HSCT to LTx was 96 months (IQR 63–120). Multivariate analysis showed that patients transplanted due to GVHD had similar survival compared to patients who were transplanted for other indications.

Conclusions: LTx for GVHD after allogeneic HSCT constitutes an important treatment strategy. The overall survival appears to be comparable to patients after LTx for other indications.

February 2023
Dana Yelin MD MPH, Ran Levi BPT, Chinanit Babu BPT, Roi Moshe MSc, Dorit Shitenberg MD, Alaa Atamna MD, Ori Tishler MD, Tanya Babich MSc, Irit Shapira-Lichter PhD, Donna Abecasis PhD, Nira Cohen Zubary MSc, Leonard Leibovici MD, Dafna Yahav MD, Ili Margalit MD, MPH

Background: Clinical investigations of long-term effects of coronavirus disease 2019 (COVID-19) are rarely translated to objective findings.

Objectives: To assess the functional capacity of individuals reported on deconditioning that hampered their return to their pre-COVID routine.

Methods: Assessment included the 6-minute walk test (6MWT) and the 30-second sit-to-stand test (30-STST). We compared the expected and observed scores using the Wilcoxon signed-rank test. Predictors of test scores were identified using linear regression models.

Results: We included 49 individuals, of whom 38 (77.6%) were recovering from mild COVID-19. Twenty-seven (55.1%) individuals had a 6MWT score lower than 80% of expected. The average 6MWT scores were 129.5 ± 121.2 meters and 12.2 ± 5.0 repeats lower than expected scores, respectively (P < 0.001 for both). The 6MWT score was 107.3 meters lower for individuals with severe COVID-19 (P = 0.013) and rose by 2.7 meters per each 1% increase in the diffusing capacity of carbon monoxide (P = 0.007). The 30-STST score was 3.0 repeats lower for individuals who reported moderate to severe myalgia (P = 0.038).

Conclusions: Individuals with long COVID who report on deconditioning exhibit significantly decreased physical capacity, even following mild acute illness. Risk factors include severe COVID-19 and impaired diffusing capacity or myalgia during recovery.

December 2020
Moshe Shai Amor, Dror Rosengarten, Dorit Shitenberg, Barak Pertzov, Yael Shostak, and Mordechai Reuven Kramer

Background: Idiopathic pulmonary fibrosis (IPF) has poor prognosis. Anti-fibrotic treatment has been shown to slow disease progression. Lung transplantation (LTx) offers a survival benefit. The 5-year survival after LTx in IPF is between 40 and 50%

Objectives: To evaluate which IPF patients have better prognosis following LTx.

Methods: A retrospective study was conducted with all IPF patients who had undergone LTx in the Rabin Medical Center between 2010 and 2018. We collected data on pre-evaluation of pulmonary function tests, echocardiographic and right heart catherization, and anti-fibrotic treatments. The Kaplan-Meier method was used for survival analysis.

Results: Among148 patients who underwent LTx, 58 were double LTx (DLT) and 90 single LTx (SLT). Mean age was 58.07 ± 9.78 years; 104 males and 44 females. DLT patients had significantly lower survival rates than SLT in the short and medium term after LTx. Patients with saturation above 80% after the 6-minute walk test (6MWT) had higher survival rates. Patients over 65 years of age had a lower survival rates. Those with pulmonary hypertension (PHT) above 30 mmHg had a poorer prognosis with lower survival rates.

Conclusions: IPF patients with higher mean PHT, older age (> 65 years), and desaturation following 6MWT had lower survival rates following LTx. DLT may decrease survival rate compared to SLT just for the short and medium period of time after LTx. These results may lead to better selection of IPF patient candidates for LTx. Additional studies are warranted for choosing which patients will have better prognosis after LTx.

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