[Comparative study of extracapsular and intracapsular cataract extraction in Kinshasa (zaire)]. 1993

D Kaimbo wa Kaimbo
Service d'Ophthalmologic, Cliniques Universitaires, Zaïre.

In the developed countries, the great majority of operations for cataract are performed using the extracapsular cataract extraction (ECCE) and phacoemulsification generally combined with the implantation of an intraocular lens in the posterior chamber of the eye. However, in most developing countries, like Zaïre, the more widespread method is still intracapsular cataract extraction (ICCE). In a retrospective study, the results of the 33 first consecutive ECCE with or without IOL performed during six months (from January 1990 through June 1990) were reviewed. These results of ECCE were compared to those of patients who underwent ICCE (52 eyes) during the same period. The follow-up ranged from one month to 32 months with a mean of 7 months for the ECCE group and from one month to 24 months with a mean of 5 months for the ICCE group. The number of eyes that had peroperative complications was one (3%) for the ECCE and 14 (27%) for the ICCE. The number of eyes that had immediate postoperative complications was 12 (36%) for the ECCE and 20 (38%) for the ICCE. And the number of eyes that had later postoperative complications was 4 (9%) and 11 (22%) for respectively the ECCE and ICCE. The most important peroperative complication for the ECCE group was vitreous loss in 6% of the cases compared to 16% for the ICCE group. The most important immediate postoperative complication was striate keratitis (24%) in the ECCE group and striate keratitis (15%), iritis (12%), pupillary block (6%) in the ECCE group. The most important late complications were posterior capsule opacification (6%) for the ECCE and glaucoma (6%) for the ICCE. Of 33 eyes which underwent ECCE, 73% achieved a visual acuity of 0.5 or better. Of 52 eyes which underwent ICCE, 56% achieved a visual acuity of 0.5 or better. In this study, rates of complications were higher in ICCE and visual outcome was better in ECCE. This study shows that the ECCE with IOL implantation would be preferable than the ICCE in our country.

UI MeSH Term Description Entries
D007500 Iritis Inflammation of the iris characterized by circumcorneal injection, aqueous flare, keratotic precipitates, and constricted and sluggish pupil along with discoloration of the iris. Iritides
D007634 Keratitis Inflammation of the cornea. Keratitides
D007910 Lenses, Intraocular Artificial implanted lenses. Implantable Contact Lens,Lens, Intraocular,Contact Lens, Implantable,Intraocular Lens,Intraocular Lenses,Lens, Implantable Contact
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D011183 Postoperative Complications Pathologic processes that affect patients after a surgical procedure. They may or may not be related to the disease for which the surgery was done, and they may or may not be direct results of the surgery. Complication, Postoperative,Complications, Postoperative,Postoperative Complication
D002387 Cataract Extraction The removal of a cataractous CRYSTALLINE LENS from the eye. Enzymatic Zonulolysis,Phakectomy,Cataract Extractions,Enzymatic Zonulolyses,Extraction, Cataract,Extractions, Cataract,Phakectomies,Zonulolyses, Enzymatic,Zonulolysis, Enzymatic
D005260 Female Females
D005901 Glaucoma An ocular disease, occurring in many forms, having as its primary characteristics an unstable or a sustained increase in the intraocular pressure which the eye cannot withstand without damage to its structure or impairment of its function. The consequences of the increased pressure may be manifested in a variety of symptoms, depending upon type and severity, such as excavation of the optic disk, hardness of the eyeball, corneal anesthesia, reduced visual acuity, seeing of colored halos around lights, disturbed dark adaptation, visual field defects, and headaches. (Dictionary of Visual Science, 4th ed) Glaucomas
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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