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The purpose of this study was to determine the risk factors for occurrence of intra-operative complications during phacoemulsification performed by residents. One hundred fifty patients with cataract who underwent phacoemulsification by residents, with an experience of five or more phacoemulsification surgery, at a tertiary care centre were included in this study. The pre-operative data of these patients were collected from the hospital records. Surgeons were interviewed immediately after the surgery regarding the surgeon experience, phacoemulsification technique, machine factors, and intra-operative complications. Statistical analysis was done to determine pre-operative and intra-operative risk factors. The overall surgical complication rate in resident-performed phacoemulsification was 37 % of which major and minor complications were 21 and 16 %, respectively. Success in terms of placement of intraocular lens in capsular bag was 84 %. The most common major and minor complications found were posterior capsular tear and irregular capsulorhexis, respectively. Systemic and ocular features of patients as well as type of machine (longitudinal versus torsional longitudinal) had no significant association in terms of complication rate. Increase in success rate was seen with increase in semester and number of surgeries performed. Patient factors including general physical condition, systemic diseases, and anatomical factors do not influence success in resident-performed phacoemulsification. With increase in semester of residents, there is a significant decrease in intra-operative complications. Minor complications in the beginning of case lead to increase in major complications later on during the case and decrease in success rate by junior-semester residents.
This article was published in the following journal.
Name: International ophthalmology
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The relating of causes to the effects they produce. Causes are termed necessary when they must always precede an effect and sufficient when they initiate or produce an effect. Any of several factors may be associated with the potential disease causation or outcome, including predisposing factors, enabling factors, precipitating factors, reinforcing factors, and risk factors.
Operative procedures performed on the SKIN.
Analysis of the level of specific BIOMARKERS in a pregnant woman's sera to identify those at risk for PREGNANCY COMPLICATIONS or BIRTH DEFECTS.
Factors that can cause or prevent the outcome of interest, are not intermediate variables, and are not associated with the factor(s) under investigation. They give rise to situations in which the effects of two processes are not separated, or the contribution of causal factors cannot be separated, or the measure of the effect of exposure or risk is distorted because of its association with other factors influencing the outcome of the study.
Complications that affect patients during surgery. They may or may not be associated with the disease for which the surgery is done, or within the same surgical procedure.
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