Registry of Anesthesia and Perioperative Medicine

Study Overview
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Brief Summary
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To assess mortality and morbidity associated to anesthesia interventions

Detailed Description
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Currently evidence-based medicine is one of the most important tools guiding our medical practice. Part of this evidence has been generated from clinical records, which has allowed access to large databases from which relevant information has been obtained for perioperative risk stratification, searching for complications, having specific information on procedures, among others. A clear example, especially useful daily in anesthesia work, is the NSQIP score, a tool that allows calculating perioperative risk according to the conditions of the patient and the surgery. NSQIP score is considered to make decisions in both the American and the European guidelines for preoperative evaluation for surgery. Latin-American or Chilean databases are not available at the present time. Chile lacks of population perioperative databases, methodology and practice of medicine outcomes records, thus making necessary the generation of a retrospective/prospective registry. The investigators expect that this registry will allow the collection of perioperative information appropriate to characterize the Chilean population, observe its evolution, and detect risk factors. Moreover, this registry will grant the investigators the means to design new research studies that may allow them to gather medical evidence of superior quality, thus benefiting patients with the best and safest interventions and procedures.

Official Title
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Registry of Patients Subjected to the Perioperative Care of the Anesthesia Service of Clinica Alemana of Santiago Chile

Conditions
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Perioperative Complication, Perioperative/Postoperative Complications, Anesthesia Morbidity, Anesthesia; Adverse Effect, Anesthesia Complication, Anesthesia; Reaction

Intervention / Treatment
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* Procedure: Anesthesia Intervention


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: All individuals Individuals agreeing to participate in the study by signing a consent Exclusion Criteria: The subjects who had insufficient data in their files
Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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Accepts Healthy Volunteers

Study Plan
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How is the study designed?
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Arms and Interventions

| Intervention/Treatment |
| --- |
|Procedure: Anesthesia Intervention|Patients exposed to any anesthesia intervention will be assessed to whether the exposure to anesthesia confers a risk for perioperative outcomes|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| All-cause mortality rate in the postoperative period | Posoperative mortality of individuals exposed to any anesthesia related intervention or event | 30 days | 
| All-cause mortality rate in the posoperative period | Posoperative mortality of individuals exposed to any anesthesia related intervention or event | one year | 
| Number of patients presenting a complication in the posoperative period | Perioperative morbidity of individuals exposed to any anesthesia related intervention or event. | 30 days | 
| Number of patients who needed rehospitalization in the posoperative period | Posoperative rehospitalization rate of individuals exposed to any anesthesia related intervention or event, after primary discharge | 7 days after primary discharge | 
| Number of deaths in the postoperative period after readmission | In-hospital mortality of patients that were readmitted after primary discharge | up to 30 days | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Change from baseline in pain, as measured by the visual analog scale (VAS) | Scores are measured on a 10-point VAS. The VAS ranges from 0 to 10 with 0 indicating no pain, and higher scores indicating greater pain. | Baseline pre-intervention VAS, postoperative/intervention 1 hour VAS, postoperative/intervention 24 hour VAS | 
| Number of patients that develops postoperative acute kidney injury, as measured by Kidney Disease Improving Global Outcomes (KIDGO)-2012 serum creatinine criteria | Criteria for developing acute kidney injury are: Increase in serum creatinin by ≽0.3 mg/dl (≽26.5lmol/l) within 48hours; or Increase in serum creatinine ≽1.5 times baseline, which is known or presumed to have occurred within the prior 7 days; or Urine volume < 0.5ml/kg/h for 6hours. | 7 and 30 days | 
| Number of patients that develops postoperative Major Acute Cardiac Events (MACE), as defined by the American Heart Association | Criteria for MACE are the development of any of the following conditions Non-fatal stroke Non-fatal myocardial infarction Cardiovascular death | 7 and 30 days | 
| Number of patients that develop posoperative chronic pain as measured by visual analog scale | Scores are measured on a 10-point VAS. The VAS ranges from 0 to 10 with 0 indicating no pain, and higher scores indicating greater pain. | 3, 6, and 12 months |