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10.3390/jcm14196793
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This is an early access version, the complete PDF, HTML, and XML versions will be available soon.
Article

Evaluation of Pulmonary Blood Flow, Right Atrium, Right Ventricle, and Pulmonary Artery in Patients After Pneumonectomy

by
Michał Stępkowski
1,
Małgorzata Edyta Wojtyś
2,*,
Norbert Wójcik
2,
Krzysztof Safranow
3,
Jarosław Pieróg
4,
Dawid Kordykiewicz
2,
Jacek Szulc
2,
Tadeusz Sulikowski
5,
Konrad Jarosz
6,
Tomasz Grodzki
2 and
Janusz Wójcik
2
1
Polish-American Heart Clinics Cardiovascular Center in Kędzierzyn-Koźle, Roosevelta 2, 47-200 Kędzierzyn Koźle, Poland
2
Department of Thoracic Surgery and Transplantation, Pomeranian Medical University in Szczecin, Alfreda Sokołowskiego 11, 70-891 Szczecin, Poland
3
Department of Biochemistry and Medical Chemistry, Pomeranian Medical University, 70-111 Szczecin, Poland
4
Clinical Department of Lung Diseases, Pomeranian Medical University in Szczecin, Alfreda Sokołowskiego 11, 70-891 Szczecin, Poland
5
Clinic of General, Minimally Invasive and Gastroenterological Surgery, Pomeranian Medical University in Szczecin, Unii Lubelskiej 1, 71-252 Szczecin, Poland
6
Clinic of Anesthesiology and Intensive Care, Pomeranian Medical University in Szczecin, Unii Lubelskiej 1, 71-252 Szczecin, Poland
*
Author to whom correspondence should be addressed.
J. Clin. Med. 2025, 14(19), 6793; https://doi.org/10.3390/jcm14196793
Submission received: 24 August 2025 / Revised: 18 September 2025 / Accepted: 22 September 2025 / Published: 25 September 2025
(This article belongs to the Special Issue Thoracic Surgery: State of the Art and Future Directions)
Versions Notes

Abstract

Background/Objectives: After pneumonectomy, the right ventricular stroke volume is pumped into pulmonary vessels whose volume has been reduced by approximately 50%. To sustain conditions for pulmonary flow, the flow reserve is increased in the remaining lung, which is conducive to the development of pulmonary hypertension symptoms. This study sought to examine pulmonary flow in one lung and the size of the right atrium (RA), right ventricle (RV) and pulmonary artery (PA) in patients who had undergone pneumonectomy and to establish the influence of time since pneumonectomy on these parameters, as well as their potential mutual dependencies. Methods: The retrospective analysis included 34 patients who had undergone pneumonectomy. Pulmonary flow was measured by means of perfusion scintigraphy. The diameters of the RA, RV and PA were evaluated based on computed tomography with contrast. Results: We observed complete or near-complete utilization of flow reserve in 38.2% (13/34) of patients, enlarged transversal and longitudinal dimensions of the RA in 17.6% (6/34) and 32.3% (11/34) of patients, respectively, and enlarged transversal and longitudinal dimension of the RV in 67.6% (23/34) and 44.1% (15/34) of patients, respectively. Dilatation of the PA was discovered in 23.5% (8/34) to 26.5% (9/34) of patients, as well as the presence of an extensive complex of radiographic features of pulmonary hypertension (PH) syndrome in 23.5% (8/34) of cases. Conclusions: Radiological features of PH were present in a significant number of patients. These features developed at varying rates but were present in all patients followed >10 years after the procedure.
Keywords: pneumonectomy; pulmonary hypertension; right atrium; right ventricle; pulmonary artery; pulmonary perfusion pneumonectomy; pulmonary hypertension; right atrium; right ventricle; pulmonary artery; pulmonary perfusion

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MDPI and ACS Style

Stępkowski, M.; Wojtyś, M.E.; Wójcik, N.; Safranow, K.; Pieróg, J.; Kordykiewicz, D.; Szulc, J.; Sulikowski, T.; Jarosz, K.; Grodzki, T.; et al. Evaluation of Pulmonary Blood Flow, Right Atrium, Right Ventricle, and Pulmonary Artery in Patients After Pneumonectomy. J. Clin. Med. 2025, 14, 6793. https://doi.org/10.3390/jcm14196793

AMA Style

Stępkowski M, Wojtyś ME, Wójcik N, Safranow K, Pieróg J, Kordykiewicz D, Szulc J, Sulikowski T, Jarosz K, Grodzki T, et al. Evaluation of Pulmonary Blood Flow, Right Atrium, Right Ventricle, and Pulmonary Artery in Patients After Pneumonectomy. Journal of Clinical Medicine. 2025; 14(19):6793. https://doi.org/10.3390/jcm14196793

Chicago/Turabian Style

Stępkowski, Michał, Małgorzata Edyta Wojtyś, Norbert Wójcik, Krzysztof Safranow, Jarosław Pieróg, Dawid Kordykiewicz, Jacek Szulc, Tadeusz Sulikowski, Konrad Jarosz, Tomasz Grodzki, and et al. 2025. "Evaluation of Pulmonary Blood Flow, Right Atrium, Right Ventricle, and Pulmonary Artery in Patients After Pneumonectomy" Journal of Clinical Medicine 14, no. 19: 6793. https://doi.org/10.3390/jcm14196793

APA Style

Stępkowski, M., Wojtyś, M. E., Wójcik, N., Safranow, K., Pieróg, J., Kordykiewicz, D., Szulc, J., Sulikowski, T., Jarosz, K., Grodzki, T., & Wójcik, J. (2025). Evaluation of Pulmonary Blood Flow, Right Atrium, Right Ventricle, and Pulmonary Artery in Patients After Pneumonectomy. Journal of Clinical Medicine, 14(19), 6793. https://doi.org/10.3390/jcm14196793

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