Inflammatory Indices, Early Mortality, and ICU Stay in Geriatric PFN Patients (PFN-RAR)
Association of Preoperative and Postoperative Inflammatory Indices With 30-Day Mortality and Intensive Care Unit Length of Stay in Geriatric Patients Undergoing Proximal Femoral Nailing: A Retrospective Observational Cohort Study
調査の概要
詳細な説明
Hip fractures are associated with substantial morbidity and mortality in the geriatric population. Intertrochanteric femur fractures, in particular, frequently require surgical stabilization with proximal femoral nailing (PFN). Despite advances in perioperative care, early postoperative mortality rates and intensive care utilization remain high in elderly patients undergoing PFN surgery. Identifying reliable biomarkers that reflect the acute systemic inflammatory response to surgical trauma may improve perioperative risk stratification and postoperative management.
In recent years, several hematologic inflammatory indices derived from routine laboratory parameters have emerged as potential prognostic markers in different clinical settings. These include neutrophil-to-lymphocyte ratio (NLR), platelet-to-lymphocyte ratio (PLR), monocyte-to-lymphocyte ratio (MLR), systemic immune-inflammation index (SII), systemic inflammation response index (SIRI), aggregate index of systemic inflammation (AIS), immune-inflammatory prognostic index (IPI), and red cell distribution width-to-albumin ratio (RAR). However, data regarding the prognostic significance of these inflammatory indices in geriatric orthopedic trauma patients remain limited.
This retrospective observational cohort study evaluates the association between preoperative and postoperative inflammatory indices and early postoperative outcomes in geriatric patients undergoing PFN surgery for intertrochanteric femur fractures. Electronic medical records of eligible patients aged 65 years and older will be reviewed retrospectively. Demographic characteristics, comorbidities, perioperative laboratory findings, inflammatory indices, 30-day mortality, and intensive care unit (ICU) length of stay will be analyzed.
The primary outcome of the study is 30-day mortality. The secondary outcome is ICU length of stay. The study aims to determine whether inflammatory indices, particularly RDW-to-albumin ratio (RAR), are independently associated with early mortality and prolonged ICU stay in the acute postoperative period. The findings may contribute to the identification of simple and cost-effective biomarkers for early risk assessment in geriatric hip fracture patients.
研究の種類
入学 (推定)
連絡先と場所
研究場所
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Diyarbakır
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Diyarbakır、Diyarbakır、トルコ（Türkiye）
- University of Health Sciences Gazi Yaşargil Training and Research Hospital
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参加基準
適格基準
就学可能な年齢
- 高齢者
健康ボランティアの受け入れ
サンプリング方法
調査対象母集団
説明
Inclusion Criteria:
- Patients aged 65 years and older
- Diagnosis of intertrochanteric femur fracture
- Undergoing proximal femoral nailing (PFN) surgery
- Availability of preoperative laboratory data
- Availability of early postoperative laboratory measurements
- Availability of 30-day mortality data
- Availability of intensive care unit admission and ICU length of stay data
- Complete electronic medical records
Exclusion Criteria:
- Patients with missing clinical or laboratory data
- Pathological fractures
- Multiple trauma patients
- Revision surgeries
- Presence of active infection or sepsis before surgery
- Hematologic diseases that could affect inflammatory indices
- Unavailable 30-day mortality or ICU data
研究計画
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 |
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Geriatric PFN Cohort
Geriatric patients aged 65 years and older who underwent proximal femoral nailing (PFN) surgery for intertrochanteric femur fractures and were retrospectively evaluated for inflammatory indices, 30-day mortality, and intensive care unit length of stay.
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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 |
|---|---|---|
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30-Day Mortality
時間枠：Within 30 days after surgery
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Evaluation of all-cause mortality occurring within the first 30 postoperative days in geriatric patients undergoing proximal femoral nailing surgery.
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Within 30 days after surgery
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二次結果の測定
結果測定 |
メジャーの説明 |
時間枠 |
|---|---|---|
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Intensive Care Unit Length of Stay
時間枠：30 days
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ICU stay duration in days
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30 days
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協力者と研究者
捜査官
- 主任研究者：selen topalel, MD、Department of Anesthesiology and Reanimation, Gazi Yaşargil Training and Research Hospital, University of Health Sciences, Diyarbakır, Türkiye
研究記録日
主要日程の研究
研究開始 (実際)
一次修了 (推定)
研究の完了 (推定)
試験登録日
最初に提出
QC基準を満たした最初の提出物
最初の投稿 (実際)
学習記録の更新
投稿された最後の更新 (実際)
QC基準を満たした最後の更新が送信されました
最終確認日
詳しくは
本研究に関する用語
キーワード
その他の研究ID番号
- GYEAH-PFN-RAR-2026-05
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?
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
米国FDA規制機器製品の研究
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