EFFICACY OF TOPICAL 0.1% DEXAMETHASONE FOR THREE WEEKS AFTER UNCOMPLICATED LOW-RISK CATARACT EXTRACTION IN TERMS OF AQUEOUS FLARE AND CELLULAR TYNDALL ASSESSMENT
Notice bibliographique
Résumé
Background: Cataract extraction is routinely followed by a variable degree of anterior chamber inflammation, even after uncomplicated surgery. Topical corticosteroids remain a common postoperative choice because they reduce inflammatory activity and support visual recovery. Aqueous flare and cellular Tyndall assessment provide clinically useful indicators of blood-aqueous barrier disturbance and intraocular inflammation. This study evaluated whether a three-week course of topical 0.1% dexamethasone effectively controlled postoperative inflammation in low-risk cataract patients. Objective: To determine the efficacy of topical 0.1% dexamethasone administered for three weeks after uncomplicated low-risk cataract extraction in terms of aqueous flare and cellular Tyndall assessment. Methods: This descriptive case series was conducted in the Department of Ophthalmology, Mayo Hospital, Lahore, from 11 May 2023 to 11 October 2023. A total of 80 patients aged 40–70 years with senile cataract planned for uncomplicated cataract extraction with intraocular lens implantation were enrolled through non-probability consecutive sampling. Patients with uncontrolled diabetes, uncontrolled hypertension, ischemic heart disease, bronchial asthma, allergy, immunological disease, systemic steroid use, anticoagulant therapy, complicated cataract, mature cataract, lens-induced glaucoma, poor compliance, or intraoperative complications were excluded. Preoperative assessment included Snellen visual acuity, non-contact air-puff tonometry, and slit-lamp examination. All surgeries were performed by a single surgeon using standardized techniques. Postoperatively, topical 0.1% dexamethasone was prescribed for three weeks. Anterior chamber cells and flare were assessed using Hogan’s slit-lamp grading system. Data were analyzed using SPSS version 25. Results: The mean age was 57.63 ± 6.55 years. Of 80 patients, 45 were male and 35 were female. Right-eye surgery was performed in 36 patients, while 44 underwent left-eye surgery. The mean anterior chamber cell value was 0.05 ± 0.150. Overall efficacy was observed in 72 patients, while 8 patients did not achieve efficacy. Efficacy was 88.9% in patients aged 40–55 years and 90.9% in patients aged 56–70 years. Male and female efficacy rates were 93.3% and 85.7%, respectively. Right-eye and left-eye efficacy rates were 88.9% and 90.9%, respectively. Efficacy was 77.8% in nuclear sclerosis grade 2 and 96.2% in nuclear sclerosis grade 3, with a statistically significant association. Conclusion: Topical 0.1% dexamethasone administered for three weeks after uncomplicated low-risk cataract extraction was effective in controlling postoperative anterior chamber inflammation. The findings support its practical use as a postoperative anti-inflammatory regimen in selected low-risk cataract patients. Keywords: Anterior Chamber; Aqueous Humor; Cataract; Cataract Extraction; Dexamethasone; Inflammation; Postoperative Care.
Récupéré en direct depuis OpenAlex et désinversé. Les résumés ne sont pas conservés dans cette base de données : les index inversés représentent 8,6 Go des 9,3 Go de texte de la base, et le serveur dispose de 13 Go libres.
Comment cette classification a été obtenuedéplier
Prédiction machine sur la base complète
Imitation des enseignantsNi prévalence calibrée, ni vérité terrain. Validation humaine à venir. Le volet Gemma est une étiquette directe du modèle pour chaque travail de la base, lue sur la notice réduite au titre. Le volet Codex est un classifieur appris des 10 348 étiquettes directes de Codex et calibré sur les taux pondérés de l'échantillon; les champs sans appui suffisant ne portent aucun appel Codex. Le mode candidate est l'union des deux volets; le consensus est leur intersection. Ces sorties portent le statut machine_predicted_unvalidated et ne sont pas des étiquettes humaines.
Scores du classifieur distillé par catégorie (deux têtes)
| Catégorie | Codex | Gemma |
|---|---|---|
| Métarecherche | 0,000 | 0,001 |
| Méta-épidémiologie (sens strict) | 0,000 | 0,000 |
| Méta-épidémiologie (sens large) | 0,000 | 0,000 |
| Bibliométrie | 0,000 | 0,000 |
| Études des sciences et des technologies | 0,000 | 0,000 |
| Communication savante | 0,000 | 0,000 |
| Science ouverte | 0,000 | 0,000 |
| Intégrité de la recherche | 0,000 | 0,000 |
| Charge utile insuffisante (le modèle a refusé de juger) | 0,001 | 0,000 |
Scores machine (provisoires)
Les deux têtes enseignantes du modèle étudiant, lues sur ce travail. Un score ordonne la base pour la relecture; il n'affirme jamais une catégorie, et le statut de validation accompagne chaque rangée tel quel.
Scores de référence d'un modèle non mature (critères de maturité non atteints, 7 itérations). Un score ordonne; il n'affirme jamais une catégorie.
score_only:v0-immature-baseline · tel quel depuis la passe de notation : score_only signifie que le nombre peut ordonner les travaux, et qu'aucune étiquette de catégorie n'en découleClassification
machine, non validéePrédiction automatique; un appel candidat d’une seule source (Gemma direct ou Codex distillé), pas un consensus.
Le détail, modèle par modèle et score par score, se trouve en fin de page sous « Comment cette classification a été obtenue ».