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Biomedical subjects

H Kolder

Publications and source records attributed to H Kolder.

16 recordsLinked to original sources
PubMed1998

Visual function impairments in relation to gender, age, and visual acuity in patients who undergo cataract surgery.

PURPOSE: This study aimed to determine the relationship between visual function impairment in 776 patients who had extracapsular cataract extraction with posterior chamber intraocular lens implantation and gender, age, preoperative visual acuity (VA) of both the operative and the contralateral eye, and presence of other ocular disease in the operative eye. DESIGN: Retrospective cross-sectional study. PARTICIPANTS: 1139 patients whose medical records were abstracted and who had cataract surgery performed at 1 of 10 participating academic medical centers in 1990. MAIN OUTCOME MEASURE: In the 776 patients who had explicit statements about impairment of visual function documented in their medical records, univariate and multivariable logistic analyses were used to assess the above relationship. RESULTS: The most severe visual functional deficit that justified the cataract operation varied in relation to gender, age, and VA. On bivariate analysis, men were more likely to have impairment with employment, driving, and glare, whereas women were more likely to have impairment with activities of daily living and recreational activities. Significant findings between visual impairment and the independent variables from the logistic regression models included: (1) employment limitation and male gender (odds ratio [OR], 1.92; 95% confidence interval [CI], 1.08-3.40); (2) employment limitation and younger age (OR, 0.12; 95% CI, 0.050-0.28 for ages 70-79); (3) recreational impairment and older age (OR, 2.77; 95% CI, 1.64-4.70 for ages 80+); (4) impairment in performing activities of daily living and female gender (OR, 0.72; 95% CI, 0.53-0.98 for male gender); (5) impairment in performing activities of daily living and worse VA in the operative eye (OR, 5.13; 95% CI, 2.93-9.00 for VA < 20/100); (6) glare-associated impairment and younger age (OR, 0.40; 95% CI, 0.24-0.69 for age 80+); and (7) glare-associated impairment and better VA (OR, 0.16; 95% CI, 0.067-0.38 for VA < 20/100). CONCLUSION: When deciding whether to perform cataract surgery, functional impairment must be considered in relation to the age and the gender of the patient, for the type of functional impairment varies in association with age and gender.

Activities of Daily Living↗
PubMed1996

Documentation patterns before cataract surgery at ten academic centers.

PURPOSE: To determine the adequacy of documenting the preoperative evaluation for cataract surgery using criteria derived from published practice guidelines. METHODS: In 1990, 1139 surgeries that were performed on 1139 patients at ten institutions of the Academic Medical Center Consortium were reviewed for completeness of documentation of the preoperative evaluation. Criteria for completeness were derived from the American Academy of Ophthalmology Preferred Practice Pattern on cataract evaluation and the Agency for Health Care Policy and Research-sponsored guidelines. RESULTS: Twenty-six percent of charts lacked documentation of at least one of four basic elements of the preoperative evaluation. These four elements are (1) vision in the surgical eye; (2) vision in the fellow eye; (3) evaluation of the fundus, macula, or visual potential in the surgical eye: and (4) presence of some form (general or specific) of functional visual impairment. If, as stated in the guideline, a specific deficit in visual functioning should be identified, then 40% of charts fail to meet criteria. CONCLUSION: Documentation of the ocular preoperative assessment for cataract surgery is inadequate in more than one quarter of cases. The relation between lack of documentation and incompleteness of the examination is unknown. Improved documentation is needed to better measure and enhance the quality of care.

Academic Medical Centers↗
PubMed1996

Assessment of appropriateness of cataract surgery at ten academic medical centers in 1990.

PURPOSE: To develop criteria for the appropriateness of cataract surgery (extracapsular cataract extraction or phacoemulsification with planned implantation of a posterior chamber intraocular lens) and to apply these criteria to patients from ten academic medical centers. METHODS: The study is a retrospective case series from ten academic medical centers. One thousand one hundred thirty-nine patients who had had cataract surgery in 1990 at the medical centers were selected randomly. Patients, identified by specific ICD-9-CM or CPT-4 codes, had no other ocular surgery performed at the same time as cataract surgery. Rates of inappropriate, uncertain, appropriate, and appropriate and crucial surgeries were determined by application of the criteria established by a multidisciplinary expert panel. RESULTS: Approximately 2% of the procedures were classified as inappropriate, after adjusting for missing or nonspecific visual function by use of discriminant analysis. Ninety-one percent of the procedures were classified as appropriate (52%) or appropriate and crucial (39%). Seven percent were designated as uncertain, either due to a median rating in the uncertain range or to disagreement in ratings among the panelists. Significant variation occurred in the results among the different institutions: inappropriate surgeries ranged from 0% to 4%, uncertain from 1% to 14%, appropriate from 35% to 66%, and appropriate and crucial from 21% to 62% (P=0.02). CONCLUSION: A small percentage of cataract surgeries was performed at these ten academic medical centers for inappropriate indications using the study criteria. Given the large number of cataract surgeries performed annually, the small percentage of uncertain and inappropriate surgeries may translate into a large number of surgeries performed for less than appropriate or appropriate and crucial indications. Significant variation existed among the institutions in the distribution of appropriate and crucial and appropriate compared with uncertain and inappropriate surgeries.

Academic Medical Centers↗