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This study is a observational study in China, which aims to explore the predictive effect of preoperative frailty defined by the modified frailty index in predicting postoperative survival and complications in elderly patients.
The objectives of the study include:
1. To demonstrate that the frailty scale can predict short- and long-term survival after surgery in elderly surgical patients; 2 Demonstrated that frailty as defined by this scale is associated with postoperative complications in older patients
Traditionally, frailty has been described as the form of chronological age. Evaluating the patient's risks based solely on age is difficult, several other factors contribute to physiologic aging and determine functional reserve and response to the risk of postoperative complications. To meet the clinical demand for simpler frailty measurement tools, a simplified 5-index modified frailty index (mFI-5) has been proposed and validated in many literatures. However, there is a lack of evidence on the link between preoperative weakness and poor prognosis in elderly patients undergoing non cardiac surgery.
Therefore, the purpose of this study is to verify the prognostic value of mFI-5 for short-term and long-term adverse outcomes such as postoperative delirium, anxiety, depression, acute pain, and mortality in elderly non-cardiac surgery patients. Our hypothesis is that frailty may be highly correlated with postoperative mortality and adverse outcomes in elderly patients undergoing non-cardiac surgery, and that mFI-5 may be an effective risk prediction tool for decision-making and surgical planning.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Robust | Unlike previous frailty index, mFI-5 uses a small number of variables readily available in a patient's history, including functional status (partial or complete dependence), history of diabetes, COPD, congestive heart failure, and hypertension requiring medication. 1 point is assigned to each variable. Functional status refers to needing some or all of the assistance of others in daily activities, including bathing, eating, dressing, going to the toilet, moving, traveling, and more. The mFI-5 score was calculated by increasing the number of variables per patient Patients were divided into 3 groups based on their mFI-5: frail group (mFI-5, 2-5) , prefrail group (mFI-5, 1) and robust group (mFI-5, 0). The range of the mFI-5 is from 0 to 5 with increments of 1, and increasing the mFI-5 implies increasing frailty. | ||
| Prefrail | Unlike previous frailty index, mFI-5 uses a small number of variables readily available in a patient's history, including functional status (partial or complete dependence), history of diabetes, COPD, congestive heart failure, and hypertension requiring medication. 1 point is assigned to each variable. Functional status refers to needing some or all of the assistance of others in daily activities, including bathing, eating, dressing, going to the toilet, moving, traveling, and more. The mFI-5 score was calculated by increasing the number of variables per patient Patients were divided into 3 groups based on their mFI-5: frail group (mFI-5, 2-5) , prefrail group (mFI-5, 1) and robust group (mFI-5, 0). The range of the mFI-5 is from 0 to 5 with increments of 1, and increasing the mFI-5 implies increasing frailty. |
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| frail | Unlike previous frailty index, mFI-5 uses a small number of variables readily available in a patient's history, including functional status (partial or complete dependence), history of diabetes, COPD, congestive heart failure, and hypertension requiring medication. 1 point is assigned to each variable. Functional status refers to needing some or all of the assistance of others in daily activities, including bathing, eating, dressing, going to the toilet, moving, traveling, and more. The mFI-5 score was calculated by increasing the number of variables per patient Patients were divided into 3 groups based on their mFI-5: frail group (mFI-5, 2-5) , prefrail group (mFI-5, 1) and robust group (mFI-5, 0). The range of the mFI-5 is from 0 to 5 with increments of 1, and increasing the mFI-5 implies increasing frailty. |
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Frailty Index | Other | The mFI-5 scoring system used in the current study was developed by Saxton and Velanovich by comparing the five variables in the original CSHA-FI with NSQIP database |
| Measure | Description | Time Frame |
|---|---|---|
| 12-month all-cause mortality | 12-month postoperative mortality in elderly patients over 65 years of age | postoperative 12-month |
| 6-month all-cause mortality | 6-month postoperative mortality in elderly patients over 65 years of age | postoperative 6-month |
| 1-month all-cause mortality | 1-month postoperative mortality in elderly patients over 65 years of age | postoperative 1-month |
| Measure | Description | Time Frame |
|---|---|---|
| Readmission rates | The rate of second admissions in elderly patients over 65 years old who underwent surgery within 30 days after surgery | postoperative 30-day |
| Admission to ICU | Elderly surgical patients over the age of 65 are admitted to the intensive care unit after surgery |
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Inclusion Criteria:
(1) participants ≥ 65 years of age;
Exclusion Criteria:
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The lack of sufficient study data, however, does not demonstrate a dose-response relationship, with higher frailty levels having a greater impact on mortality [9]. Accordingly, this article would focus on the relationship between patients with varying degrees of frailty and long-term postoperative adverse outcomes and how preoperative planning and interventions can alter surgical trajectories and associated outcomes. According to our hypothesis, preoperative frailty can provide prognostic information, in addition to frequently recognized risks and consequences.
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| Name | Affiliation | Role |
|---|---|---|
| Weidong Mi, PhD | Chinese PLA General Hospital | Study Director |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Chinese PLA General Hospital | Beijing | Beijing Municipality | China |
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| ID | Term |
|---|---|
| D000073496 | Frailty |
| ID | Term |
|---|---|
| D010335 | Pathologic Processes |
| D013568 | Pathological Conditions, Signs and Symptoms |
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| From the moment of living operation room to the moment of discharge from hospital,up to 7 day |
| major complications | Postoperative complications include delirium, anxiety, depression, acute pain, stroke, major adverse cardiac events, acute kidney injury, infection, etc | From the moment of living operation room to the moment of discharge from hospital,up to 7 day |