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Physical and Cognitive Outcomes After Post-Transplant Physiotherapy in Liver Transplant Recipients

2026年7月9日 更新者:İlker DEMİR、Hasan Kalyoncu University

Evaluation of Physical and Cognitive Outcomes in Liver Transplant Recipients Who Participated in a Post-Transplant Physiotherapy Program

Liver transplantation is the most effective treatment for end-stage liver disease. However, many recipients continue to experience problems such as reduced physical function, impaired balance, fatigue, and cognitive difficulties even after successful transplantation. Although physiotherapy is commonly provided during the early postoperative period, its long-term benefits are not well understood.

This observational cross-sectional study evaluated the long-term physical and cognitive outcomes of adult liver transplant recipients approximately one year after transplantation. A total of 106 participants were included and divided into two groups according to whether they had participated in a routine post-transplant physiotherapy and rehabilitation program. Physical performance, balance, functional exercise capacity, cognitive function, and fatigue were assessed using standardized clinical outcome measures.

The study aimed to determine whether participation in a routine physiotherapy program was associated with better long-term functional outcomes after liver transplantation. The findings may help improve long-term rehabilitation strategies and support the integration of physiotherapy into routine multidisciplinary follow-up care for liver transplant recipients.

調査の概要

詳細な説明

Detailed Description

Liver transplantation is the standard treatment for end-stage liver disease and has substantially improved long-term survival. As survival has increased, greater attention has been directed toward long-term functional recovery, including the restoration of physical performance, cognitive function, and independence in daily living. Despite successful transplantation, many recipients continue to experience persistent impairments such as reduced mobility, balance deficits, fatigue, and cognitive dysfunction, which may negatively affect quality of life and long-term health outcomes.

Physiotherapy and rehabilitation are widely recommended during the postoperative period to promote recovery and prevent complications. Although previous studies have demonstrated the short-term benefits of rehabilitation after liver transplantation, evidence regarding its long-term effects remains limited. In particular, few studies have evaluated whether improvements achieved during the early postoperative period are maintained approximately one year after transplantation.

This observational cross-sectional study was conducted to evaluate the long-term physical and cognitive outcomes of liver transplant recipients who had participated in a routine post-transplant physiotherapy program compared with recipients who had not received postoperative physiotherapy. The study assessed functional mobility, balance, functional exercise capacity, cognitive performance, and fatigue using standardized clinical assessment tools.

The findings of this study are expected to provide further evidence regarding the long-term contribution of routine physiotherapy to functional recovery after liver transplantation and to support the development of multidisciplinary rehabilitation strategies for transplant recipients.

研究の種類

観察的

入学 (実際)

106

連絡先と場所

このセクションには、調査を実施する担当者の連絡先の詳細と、この調査が実施されている場所に関する情報が記載されています。

研究場所

      • Malatya、トルコ(Türkiye)、44280
        • Liver Transplant Institute Hospital, Turgut Özal Medical Center, İnönü University

参加基準

研究者は、適格基準と呼ばれる特定の説明に適合する人を探します。これらの基準のいくつかの例は、人の一般的な健康状態または以前の治療です。

適格基準

就学可能な年齢

  • 大人
  • 高齢者

健康ボランティアの受け入れ

いいえ

サンプリング方法

非確率サンプル

調査対象母集団

Adult liver transplant recipients who underwent liver transplantation at Turgut Özal Medical Center, İnönü University, and were evaluated approximately one year after transplantation. Participants were classified according to whether they had participated in a routine post-transplant physiotherapy and rehabilitation program.

説明

Inclusion Criteria:

  • Adult liver transplant recipients aged 18 years or older.
  • At least 1 year since liver transplantation.
  • Spontaneous breathing.
  • Hemodynamically stable.
  • Able to read and write.
  • Willing and able to provide written informed consent.

Exclusion Criteria:

  • History of a neurological disorder.
  • Presence of a neuropsychiatric disorder.
  • Orthopedic or rheumatologic conditions that could interfere with the assessments.
  • Advanced cardiopulmonary disease.
  • Visual or hearing impairment that prevented completion of the assessments. Refusal to participate in the study.

研究計画

このセクションでは、研究がどのように設計され、研究が何を測定しているかなど、研究計画の詳細を提供します。

研究はどのように設計されていますか?

デザインの詳細

コホートと介入

グループ/コホート
介入・治療
Routine Physiotherapy Group
Adult liver transplant recipients who completed the routine post-transplant physiotherapy and rehabilitation program. Participants were assessed approximately one year after liver transplantation.
Participation in the routine postoperative physiotherapy and rehabilitation program provided after liver transplantation as part of standard clinical care. The program included breathing exercises, progressive mobilization, muscle strengthening, balance training, gait training, and functional exercises. Participants were not assigned to this intervention by the study protocol; the intervention had been completed before enrollment in this observational study.
Control Group
Adult liver transplant recipients who did not participate in any postoperative physiotherapy or rehabilitation program and were evaluated approximately one year after transplantation.

この研究は何を測定していますか?

主要な結果の測定

結果測定
メジャーの説明
時間枠
Functional Mobility
時間枠:Approximately 1 year after liver transplantation
Functional mobility assessed using the Timed Up and Go (TUG) Test. The outcome is recorded as the time required to complete the test, measured in seconds (minimum possible value: 0 seconds; no predefined maximum value). Lower completion times indicate better functional mobility.
Approximately 1 year after liver transplantation
Static Balance
時間枠:Approximately 1 year after liver transplantation
Static balance assessed using the Single-Leg Stance Test. Participants were instructed to stand on their dominant leg for as long as possible while maintaining balance. The duration of single-leg stance was recorded in seconds (minimum possible value: 0 seconds; no predefined maximum value), and the best performance was used for analysis. Longer standing times indicate better static balance.
Approximately 1 year after liver transplantation
Cognitive Function
時間枠:Approximately 1 year after liver transplantation
Cognitive function assessed using the Montreal Cognitive Assessment (MoCA). Scores range from 0 to 30, with higher scores indicating better cognitive performance.
Approximately 1 year after liver transplantation

二次結果の測定

結果測定
メジャーの説明
時間枠
Functional Exercise Capacity
時間枠:Approximately 1 year after liver transplantation
Functional exercise capacity assessed using the Six-Minute Walk Test (6MWT). Walking distance was measured in meters (minimum possible value: 0 meters; no predefined maximum value). Greater walking distances indicate better functional exercise capacity.
Approximately 1 year after liver transplantation
Fatigue Severity
時間枠:Approximately 1 year after liver transplantation
Fatigue severity assessed using the Fatigue Severity Scale (FSS). Total scores range from 9 to 63, with higher scores indicating greater fatigue severity.
Approximately 1 year after liver transplantation

協力者と研究者

ここでは、この調査に関係する人々や組織を見つけることができます。

スポンサー

研究記録日

これらの日付は、ClinicalTrials.gov への研究記録と要約結果の提出の進捗状況を追跡します。研究記録と報告された結果は、国立医学図書館 (NLM) によって審査され、公開 Web サイトに掲載される前に、特定の品質管理基準を満たしていることが確認されます。

主要日程の研究

研究開始 (実際)

2024年10月27日

一次修了 (実際)

2026年6月15日

研究の完了 (実際)

2026年6月15日

試験登録日

最初に提出

2026年7月3日

QC基準を満たした最初の提出物

2026年7月3日

最初の投稿 (実際)

2026年7月9日

学習記録の更新

投稿された最後の更新 (実際)

2026年7月10日

QC基準を満たした最後の更新が送信されました

2026年7月9日

最終確認日

2026年7月1日

詳しくは

本研究に関する用語

個々の参加者データ (IPD) の計画

個々の参加者データ (IPD) を共有する予定はありますか?

未定

医薬品およびデバイス情報、研究文書

米国FDA規制医薬品の研究

いいえ

米国FDA規制機器製品の研究

いいえ

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