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Biomedical subjects

N Waked

Publications and source records attributed to N Waked.

9 recordsLinked to original sources
PubMed2001

Microcephaly, cutis verticis gyrata of the scalp, retinitis pigmentosa, cataracts, sensorineural deafness, and mental retardation in two brothers.

We describe the cases of two brothers with microcephaly, primary cutis verticis gyrata of the scalp, prominent supraorbital ridges, large nose, hypertelorism, exotropia, progressive retinitis pigmentosa, cataracts, sensorineural hearing loss, kyphoscoliosis, and mental retardation. A review of the literature focusing on the major clinical findings suggests that our cases may represent a hitherto unreported new syndrome.

Abnormalities, Multiple↗
PubMed2000

Exclusion of chromosome 15q21.1 in autosomal-recessive Weill-Marchesani syndrome in an inbred Lebanese family.

We report an inbred family where 3 siblings had short stature, brachydactyly, limitation of joint movements, microspherophakia, luxated lenses, glaucoma, and heart malformations. Parents of the affected siblings were relatively short, but did not have any of the other features present in their siblings. Those clinical features are consistent with the Weill Marchesani syndrome (MIM 277600). Both autosomal-recessive and autosomal-dominant pedigrees have been reported, with a possible linkage to chromosome 15q21.1 in the latter. Linkage analysis at 15q21.1 in this Lebanese family allowed us to exclude the role of this region in the etiology of the syndrome. Speculations regarding the pathogenesis of the disorder are discussed.

Abnormalities, Multiple↗
PubMed1999

Two sibs with myoclonic epilepsy, congenital deafness, macular dystrophy, and psychiatric disorders.

We present a family with four children born to second-cousin parents. Two of the children had myoclonic epilepsy, congenital deafness, a dystrophic pattern of the macular pigment epithelium, incomplete right bundle branch block, and psychiatric disorders appearing after fever episodes. Results of all laboratory investigations including mitochondrial DNA analysis were normal. Despite the fact that this condition resembles one reported by Latham and Munro in 1937, it is possible that we might be reporting on a new autosomal recessive syndrome.

Adult↗
PubMed1997

Laser in situ keratomileusis for hyperopia.

PURPOSE: To study the efficacy of laser in situ keratomileusis (LASIK) for hyperopia. METHODS: We performed LASIK on 21 eyes using the Nidek EC-5000 excimer laser with software version 2.18 AH. The Chiron Automated Corneal Shaper was used to create the flap. Retreatments were needed in seven eyes due to decentration or undercorrection. RESULTS: Although a high rate of satisfaction was noted among patients, complications were encountered such as decentration (three eyes), undercorrection (four eyes); one patient progressed to low myopia with a loss of spectacle-corrected visual acuity and one patient had regression 3 months after the initial LASIK. CONCLUSION: Although this technique has several advantages over other techniques (holmium, ALK, PRK, hexagonal RK), it has a high rate of retreatment and some complications. Software refinement is needed, and patients should be adequately informed about what to expect from this technique.

Adolescent↗
PubMed1996

[Myopia surgery].

Explore the source record for details and available documents.

Contraindications↗
PubMed1992

[Cataract surgery after injection of silicone].

Thirty eyes were studied retrospectively, after cataract surgery following intraocular silicone oil injection. Cataract surgery took place before silicone oil removal in 9 eyes, at the same time as silicone oil removal in 2 eyes, and after silicone oil removal in 19 eyes. Extracapsular extraction was performed in 27 eyes, and intracapsular extraction was performed in 3 eyes. A posterior chamber intraocular lens was placed in 14 cases, and an anterior chamber intraocular lens in one case. Capsular fibrosis was observed in 19 cases, and it was treated with YAG laser in 10 eyes during follow-up. Twenty five eyes had a postoperative follow up of 3 to 37 months. Total retinal detachment occurred in 2 eyes.

Adolescent↗
PubMed1990

[Cyclodiathermy: is it effective in the treatment of glaucoma?].

The authors describe the non penetrating technique of cyclodiathermy in the treatment of different types of glaucoma and publish the results and the complications of the application of this technique on thirty three eyes among their patients. These eyes included congenital glaucoma (8 eyes), aphakic glaucoma (5 eyes), after silicone surgery (5 eyes), neovascular glaucoma (4 eyes), traumatic glaucoma (4 eyes), secondary glaucoma (3 eyes), Sturge-Weber-Krabbe (2 eyes) and open angle glaucoma (2 eyes). Their study with a mean follow up of 2.5 years shows an overall success rate of 60%. The success is defined as an ocular tension less than or equal to 22 mmHg in the absence of serious complications. All the encountered complications are mentioned. Phtysis occurred in not more than 3% of cases (1 eye). They establish a comparison with the published results and complications of the other cyclodestructive procedures: Sonocare, transcleral laser Yag, transcleral laser Ruby and cyclocryotherapy. This comparison does not prove the superiority of these other procedures with regard to the non penetrating cyclodiathermy. They conclude that this non penetrating cyclodiathermy is a non expensive procedure which still have its good therapeutic value.

Electrocoagulation↗
PubMedDate not supplied

Results of transverse keratotomies for astigmatism after penetrating keratoplasty: a retrospective study of 48 consecutive cases.

BACKGROUND: High astigmatism is still a common complication of penetrating keratoplasty which often limits the final corrected visual acuity. Surgical correction of high astigmatism persistent after suture removal remains rather controversial. In our present study, we used the technique of transverse keratotomies for the surgical correction of high astigmatism following penetrating keratoplasty because of its simplicity and corrective potential. METHODS: We present a retrospective clinical study based on the results of 48 consecutive transverse keratotomy procedures performed on the graft. Three eyes were operated on twice, for a total of 51 procedures. The astigmatism had to be stable for at least 6 months after suture removal, with poor corrected visual acuity with spectacles or contact lenses. The operative protocol (number of incisions, optical zone size) was decided based on the degree of astigmatism. The mean post-operative observation period was 5.11 +/- 3.93 months (range, 1 to 24 months). RESULTS: The mean preoperative cylinder was 8.96 +/- 2.22 diopters and 4.91 +/- 1.79 D postoperatively. The mean cylindrical change was 4.51 +/- 2.77 D. The spherical equivalent remained unchanged in most cases. In a majority of cases, the corrected visual acuity for distance and near vision was improved. No cases of persistent graft edema caused by immunologic rejection or endothelial failure were observed. Moreover, in no case was there worsening of the best corrected visual acuity. CONCLUSIONS: The technique of transverse incisions in the graft to correct or reduce high postkeratoplasty astigmatism is simple, efficient, and relatively safe. The main problem was poor predictability.

Adult↗