Topical Jelly and Intracameral Anesthesia Versus Subtenon Anesthesia, in Cataract Surgery

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

WITHDRAWN

Clinical Phase

PHASE4

Study Classification

INTERVENTIONAL

Study Start Date

2011-04-30

Brief Summary

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The options for anesthesia in cataract surgery described are: general, regional or local. The local strategy, it may be by periocular blocking(subtenon, peribulbar or retrobulbar), subconjunctival or topical. The risks faced by subconjunctival, peribulbar or retrobulbar, have made subtenon and topical strategies the most used. Likewise, to improve the effectiveness of the topical strategy was added gel topical lidocaine and intracameral dose of lidocaine.

Subtenon and topical anesthesia are two safe strategies and there were performed multiple studies showing that both are effective in controlling pain, but showing a slight superiority of subtenon. This difference does not appear to be clinically significant. In turn, the addition of gel and intracameral anesthesia, improved pain control. However, lack evidence to compare patient preference when using topical gel and intracameral anesthesia versus sub-Tenon anesthesia.

Multiple advantages has the topical anesthesia. Besides being a safe strategy for the patient, offers a rapid visual recovery, no generates blepharoptosis or diplopia postoperatively, subconjunctival hemorrhage and chemosis.

Because of this the investigators plan to conduct a study comparing the efficacy of gel topical and intracameral anesthesia versus subtenon anesthesia in cataract surgery with scleral incision, assessing the patient's preference Hypothesis: Topical administration of lidocaine in gel and intracameral anesthesia is a better strategy that subtenon anesthesia in cataract surgery

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Detailed Description

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Conditions

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Cataract Surgery Anesthesia

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

CROSSOVER

Primary Study Purpose

TREATMENT

Blinding Strategy

TRIPLE

Participants Investigators Outcome Assessors

Study Groups

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Topical

Group Type EXPERIMENTAL

Lidocaine

Intervention Type DRUG

We will made anesthesia with topical lidocaine and compared with subtenon anesthesia

subtenon

Group Type ACTIVE_COMPARATOR

Lidocaine

Intervention Type DRUG

We will made anesthesia with topical lidocaine and compared with subtenon anesthesia

Interventions

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Lidocaine

We will made anesthesia with topical lidocaine and compared with subtenon anesthesia

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* bilateral cataract

Exclusion Criteria

* refuse to participate, high surgical risk (ASA 4 or 5), allergy to lidocaine or other amide local anesthesics, inability to understand the informed consent, coagulation abnormalities, prior ophthalmologic surgery, small pupil, Fuchs dystrophy, lens luxation, uveitis

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes