Identification of Risk Factors of Prolonged Wound Healing Following Primary Arthroplasty
Identification of Risk Factors of Prolonged Wound Healing Following Total Hip and Knee Arthroplasty
調査の概要
詳細な説明
Study type: Prospective cohort study. Inclusion criteria: All patients receiving primary total hip or knee replacement surgery at Hvidovre Hospital from January 1st 2012 to December 31st 2014.
Exclusion criteria: none Intervention: none
New hypothesis to be tested:
- Hypertension is associated with prolonged wound drainage and increased risk of infection
- Patients receiving Statin treatment have decreased postoperative wound drainage and decreased risk of infection.
- Patients receiving Bisphosphonate treatment have increased postoperative wound drainage and increased risk of infection.
Measured patient related risk variables: Age, sex, primary OA diagnosis, diabetes, smoking, BMI, alcohol consumption, autoimmune disease and hypertension will all be recorded upon admission of the patient to the hospital. Hypertension will be defined when a patient is diagnosed with HT previously to the surgery, receives medical treatment and have systolic / diastolic BP above 140/90 mmHg upon admission. Patients with normal BP upon admission receiving treatment for HT will be classified as having regulated HT. Patients with elevated BP upon admission without previous HT diagnosis will be classified as having newly diagnosed HT. "Smoking" will de divided into smokers, non-smokers and former smokers. Further on, average number of cigarettes pr day during the last month will be recorded for current smokers.
Measured pharmacological risk variables: Use of statins, bisphosphonates, anticoagulants, NSAID's and corticosteroids on time of admission will be recorded.
Measured surgical risk variables: Surgery time, pneumatic tourniquet time, peroperative blood loss, postoperative decrease in hemoglobin levels, surgical complications, antibiotic and bleeding prophylaxis will be recorded by the surgeon upon completion of the surgery.
Outcome measures: Wound-oozing time, length of hospital stay, wound infections, and surgical revision. Wound will be defined as actively draining if the gauze covering the wound is wet to the edges or if fluid is noted to be originating from the surgical site. The nursing staff will record wound drainage during the hospital stay and the patient will be instructed in self-assessment upon dismissal using patient-diary. Wound drainage will be recorded twice a day: before- and afternoon. All patients are seen in outpatient clinic for staple removal and control of the self -assessment drainage-diary 3 weeks after surgery. Time when the wound appeared dry will be noted. Presence or absence of clinical infection will be noted according to ASEPSIS criteria.
Statistical analysis: Multiple linear regression analysis will be performed to model the effects of the measured risk variables on the time to a dry wound, length of hospital stay and risk of wound infection.
Data collection: All data collection will be anonymous. Patient consent is not required since the study involves evaluation of existing data and records and individual subjects can not be identified either directly or through identifiers linked to the subject. The data collection will be reported to "Datatilsynet".
研究の種類
入学 (実際)
連絡先と場所
研究場所
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-
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Hvidovre、デンマーク、2650
- Hvidovre Hospital
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参加基準
適格基準
就学可能な年齢
健康ボランティアの受け入れ
受講資格のある性別
サンプリング方法
調査対象母集団
説明
Inclusion Criteria:
- All patients receiving primary hip or knee arthroplasty at Hvidovre Hospital from january 2012 to january 2014.
Exclusion Criteria:
- Not willing to participate.
- Drop out at 3 week follow up.
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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Patients receiving primary hip or knee arthoplasty
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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 |
時間枠 |
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Wound drainage time
時間枠:3 weeks
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3 weeks
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二次結果の測定
結果測定 |
時間枠 |
---|---|
Clinical infection
時間枠:months
|
months
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協力者と研究者
研究記録日
主要日程の研究
研究開始 (実際)
一次修了 (実際)
研究の完了 (実際)
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 (見積もり)
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
追加の関連 MeSH 用語
その他の研究ID番号
- 2011-41-6844
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