Limits...
Phacoemulsification without preoperative topical mydriatics: induction and sustainability of mydriasis with intracameral mydriatic solution.

Gupta SK, Kumar A, Agarwal S, Agarwal S - Indian J Ophthalmol (2014)

Bottom Line: Thirty eyes completed the study.The pupil size increased from 2.1 mm (Range 2-3.5 mm SD ± 0.32) to 6.9 mm (Range 5-9 mm SD ± 1.02) in 30 seconds time after intracameral mydriatic solution delivery, and was 7.0 mm (Range 3.5 - 9 mm SD ± 0.20) at the end of surgery.Duration of surgery, grade of nucleus and ultrasound time had statistically insignificant effect on mydriasis.

View Article: PubMed Central - PubMed

Affiliation: Department of Ophthalmology, Chatrapati Sahuji Maharaaj Medical University, Lucknow, Uttar Pradesh, India.

ABSTRACT

Context: Intracameral mydriatic solution can eliminate the disadvantages of repeated eye drop instillation regimen and provide adequate mydriasis for phacoemulsification with added advantages.

Aims: Evaluating the role of intracameral irrigating solution (0.5% lignocaine + 0.001% epinephrine) in initiating and maintaining the pupillary mydriasis during phacoemulsification. Secondary aims were to observe the effect of surgical time, nucleus density and ultrasound time on mydriasis during the procedure.

Settings and design: The study is a prospective interventional case series, conducted at tertiary care institution.

Materials and methods: Thirty patients underwent phacoemulsification under topical anesthesia for visually significant cataract. Pupillary dilatation was achieved by intracameral irrigation of mydriatic solution alone. Pupillary diameter was measured serially during surgery and ultrasound time and total surgical time were noted.

Statistical analysis used: Paired samples student-t test was done to compare means. Spearman correlation coefficient was used to study the effect of various parameters on mydriasis.

Results: Thirty eyes completed the study. The pupil size increased from 2.1 mm (Range 2-3.5 mm SD ± 0.32) to 6.9 mm (Range 5-9 mm SD ± 1.02) in 30 seconds time after intracameral mydriatic solution delivery, and was 7.0 mm (Range 3.5 - 9 mm SD ± 0.20) at the end of surgery. Duration of surgery, grade of nucleus and ultrasound time had statistically insignificant effect on mydriasis.

Conclusions: Intracameral solution containing 0.5% lignocaine and 0.001% epinephrine provides rapid mydriasis which is adequate for safe phacoemulsification and is unaffected by other parameters.

Show MeSH

Related in: MedlinePlus

Scatter diagram depicting relation between pupillary diameters at the end of surgery to ultrasound time used
© Copyright Policy - open-access
Related In: Results  -  Collection

License
getmorefigures.php?uid=PMC4061673&req=5

Figure 1: Scatter diagram depicting relation between pupillary diameters at the end of surgery to ultrasound time used

Mentions: Nucleus density and pupillary dilatation at the end of the procedure had weak positive correlation which was statistically insignificant (Spearman correlation coefficient 0.09, P = 0.60) Fig. 1.


Phacoemulsification without preoperative topical mydriatics: induction and sustainability of mydriasis with intracameral mydriatic solution.

Gupta SK, Kumar A, Agarwal S, Agarwal S - Indian J Ophthalmol (2014)

Scatter diagram depicting relation between pupillary diameters at the end of surgery to ultrasound time used
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4061673&req=5

Figure 1: Scatter diagram depicting relation between pupillary diameters at the end of surgery to ultrasound time used
Mentions: Nucleus density and pupillary dilatation at the end of the procedure had weak positive correlation which was statistically insignificant (Spearman correlation coefficient 0.09, P = 0.60) Fig. 1.

Bottom Line: Thirty eyes completed the study.The pupil size increased from 2.1 mm (Range 2-3.5 mm SD ± 0.32) to 6.9 mm (Range 5-9 mm SD ± 1.02) in 30 seconds time after intracameral mydriatic solution delivery, and was 7.0 mm (Range 3.5 - 9 mm SD ± 0.20) at the end of surgery.Duration of surgery, grade of nucleus and ultrasound time had statistically insignificant effect on mydriasis.

View Article: PubMed Central - PubMed

Affiliation: Department of Ophthalmology, Chatrapati Sahuji Maharaaj Medical University, Lucknow, Uttar Pradesh, India.

ABSTRACT

Context: Intracameral mydriatic solution can eliminate the disadvantages of repeated eye drop instillation regimen and provide adequate mydriasis for phacoemulsification with added advantages.

Aims: Evaluating the role of intracameral irrigating solution (0.5% lignocaine + 0.001% epinephrine) in initiating and maintaining the pupillary mydriasis during phacoemulsification. Secondary aims were to observe the effect of surgical time, nucleus density and ultrasound time on mydriasis during the procedure.

Settings and design: The study is a prospective interventional case series, conducted at tertiary care institution.

Materials and methods: Thirty patients underwent phacoemulsification under topical anesthesia for visually significant cataract. Pupillary dilatation was achieved by intracameral irrigation of mydriatic solution alone. Pupillary diameter was measured serially during surgery and ultrasound time and total surgical time were noted.

Statistical analysis used: Paired samples student-t test was done to compare means. Spearman correlation coefficient was used to study the effect of various parameters on mydriasis.

Results: Thirty eyes completed the study. The pupil size increased from 2.1 mm (Range 2-3.5 mm SD ± 0.32) to 6.9 mm (Range 5-9 mm SD ± 1.02) in 30 seconds time after intracameral mydriatic solution delivery, and was 7.0 mm (Range 3.5 - 9 mm SD ± 0.20) at the end of surgery. Duration of surgery, grade of nucleus and ultrasound time had statistically insignificant effect on mydriasis.

Conclusions: Intracameral solution containing 0.5% lignocaine and 0.001% epinephrine provides rapid mydriasis which is adequate for safe phacoemulsification and is unaffected by other parameters.

Show MeSH
Related in: MedlinePlus