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Changes in intraocular pressure after clear corneal phacoemulsification in normal patients.

Bhallil S, Andalloussi IB, Chraibi F, Daoudi K, Tahri H - Oman J Ophthalmol (2009)

Bottom Line: Our patients showed a mean decrease in IOP of 2.25 mmHg (16%) compared to preoperative values.Age, sex and axial length were not significantly related to IOP reduction (P = 0.2-0.5) CCP was associated with a statistically significant reduction in IOP.The exact mechanism by which cataract surgery results in IOP reduction is unclear.

View Article: PubMed Central - PubMed

Affiliation: Department of Ophthalmology, University Hospital, Hassan II, Fez, Morocco.

ABSTRACT

Purpose: To evaluate changes in intraocular pressure (IOP) after clear corneal phacoemulsification (CCP) in normal patients.

Materials and methods: A prospective study including 273 normal patients selected for cataract extraction by CCP. Intraocular pressure was recorded on the 15(th) day, l(st), 2(nd), 3(rd) month and 6 months after surgery.

Statistical analysis: For statistical analysis, Epi Info was used to determine the statistical significance of changes in IOP.

Results: The mean age of 96 women and 177 men was 71 ± 12 years. The mean IOP before surgery was 14.18 ± 3.4 mmHg. Our patients showed a mean decrease in IOP of 2.25 mmHg (16%) compared to preoperative values. Change in IOP was not related to lens thickness (P = 0.12), but significantly correlated with change in anterior chamber depth (ACD) (P = 0.002). The postoperative IOP was inversely related to preoperative ACD (P = 0.012). Age, sex and axial length were not significantly related to IOP reduction (P = 0.2-0.5)

Conclusion: CCP was associated with a statistically significant reduction in IOP. The exact mechanism by which cataract surgery results in IOP reduction is unclear. CCP can be performed with the intent of achieving better IOP control.

No MeSH data available.


Related in: MedlinePlus

Mean reduction IOP after phacoemulsification. Compared to preoperative values, our group had a mean decrease in IOP of 2.25 mmHg
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Figure 0002: Mean reduction IOP after phacoemulsification. Compared to preoperative values, our group had a mean decrease in IOP of 2.25 mmHg

Mentions: The postoperative reduction in IOP in mmHg and in percentage is shown in Figures 2 and 3.


Changes in intraocular pressure after clear corneal phacoemulsification in normal patients.

Bhallil S, Andalloussi IB, Chraibi F, Daoudi K, Tahri H - Oman J Ophthalmol (2009)

Mean reduction IOP after phacoemulsification. Compared to preoperative values, our group had a mean decrease in IOP of 2.25 mmHg
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC2903914&req=5

Figure 0002: Mean reduction IOP after phacoemulsification. Compared to preoperative values, our group had a mean decrease in IOP of 2.25 mmHg
Mentions: The postoperative reduction in IOP in mmHg and in percentage is shown in Figures 2 and 3.

Bottom Line: Our patients showed a mean decrease in IOP of 2.25 mmHg (16%) compared to preoperative values.Age, sex and axial length were not significantly related to IOP reduction (P = 0.2-0.5) CCP was associated with a statistically significant reduction in IOP.The exact mechanism by which cataract surgery results in IOP reduction is unclear.

View Article: PubMed Central - PubMed

Affiliation: Department of Ophthalmology, University Hospital, Hassan II, Fez, Morocco.

ABSTRACT

Purpose: To evaluate changes in intraocular pressure (IOP) after clear corneal phacoemulsification (CCP) in normal patients.

Materials and methods: A prospective study including 273 normal patients selected for cataract extraction by CCP. Intraocular pressure was recorded on the 15(th) day, l(st), 2(nd), 3(rd) month and 6 months after surgery.

Statistical analysis: For statistical analysis, Epi Info was used to determine the statistical significance of changes in IOP.

Results: The mean age of 96 women and 177 men was 71 ± 12 years. The mean IOP before surgery was 14.18 ± 3.4 mmHg. Our patients showed a mean decrease in IOP of 2.25 mmHg (16%) compared to preoperative values. Change in IOP was not related to lens thickness (P = 0.12), but significantly correlated with change in anterior chamber depth (ACD) (P = 0.002). The postoperative IOP was inversely related to preoperative ACD (P = 0.012). Age, sex and axial length were not significantly related to IOP reduction (P = 0.2-0.5)

Conclusion: CCP was associated with a statistically significant reduction in IOP. The exact mechanism by which cataract surgery results in IOP reduction is unclear. CCP can be performed with the intent of achieving better IOP control.

No MeSH data available.


Related in: MedlinePlus