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[Determination of intralenticular pressure in patients with intumescent cataract].
Vestn Oftalmol. 2018; 134(3):42-47.VO

Abstract

When the lens swells, a liquefied lenticular substance that increases intralenticular pressure accumulates in the lens bag making it difficult to perform standard capsulorhexis. Thus, determination of the intralenticular pressure value is of great importance for safe intumescent cataract phacoemulsification.

PURPOSE

To develop a technology for intralenticular pressure measurement in patients with intumescent cataract and to construct a mathematical model for its prognosis according to preoperative examination data.

MATERIAL AND METHODS

Intralenticular pressure was measured in 11 eyes with intumescent cataract. Before that, the following parameters of the anterior compartment of the eye were examined: anterior chamber depth, lens thickness according to ultrasound biomicroscopy (UBM), hypoechogenic layer (the anterior layer of liquefied lenticular masses), equatorial angle.

RESULTS

The intraoperative technology of the intralenticular pressure measurement was developed. The direct dependency between thickness of the swelling lens, hypoechogenic layer value (the anterior layer of liquefied lenticular masses), anterior chamber depth and intralenticular pressure magnitude was defined.

CONCLUSION

For the first time, the intraoperative intralenticular pressure was measured in patients with intumescent cataract. A dependency was defined between the thickness of the lens and the anterior layer of liquefied lenticular masses, anterior chamber depth, and intralenticular pressure magnitude; based on this, a mathematical model for intralenticular pressure measurement was constructed.

Authors+Show Affiliations

Tambov branch of S. Fyodorov Eye Microsurgery Federal State Institution, 1 Rasskazovskoe shosse, Tambov, Russian Federation, 392000; Derzhavin Tambov State University, Medical Institute, 93 Sovetskaya St., Tambov, Russian Federation, 392000.Tambov branch of S. Fyodorov Eye Microsurgery Federal State Institution, 1 Rasskazovskoe shosse, Tambov, Russian Federation, 392000.Tambov branch of S. Fyodorov Eye Microsurgery Federal State Institution, 1 Rasskazovskoe shosse, Tambov, Russian Federation, 392000; Derzhavin Tambov State University, Medical Institute, 93 Sovetskaya St., Tambov, Russian Federation, 392000.Derzhavin Tambov State University, Medical Institute, 93 Sovetskaya St., Tambov, Russian Federation, 392000.

Pub Type(s)

Journal Article

Language

rus

PubMed ID

29953081

Citation

Fabrikantov, O L., et al. "[Determination of Intralenticular Pressure in Patients With Intumescent Cataract]." Vestnik Oftalmologii, vol. 134, no. 3, 2018, pp. 42-47.
Fabrikantov OL, Nikolashin SI, Shutova SV, et al. [Determination of intralenticular pressure in patients with intumescent cataract]. Vestn Oftalmol. 2018;134(3):42-47.
Fabrikantov, O. L., Nikolashin, S. I., Shutova, S. V., & Pirogova, E. S. (2018). [Determination of intralenticular pressure in patients with intumescent cataract]. Vestnik Oftalmologii, 134(3), 42-47. https://doi.org/10.17116/oftalma2018134342
Fabrikantov OL, et al. [Determination of Intralenticular Pressure in Patients With Intumescent Cataract]. Vestn Oftalmol. 2018;134(3):42-47. PubMed PMID: 29953081.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - [Determination of intralenticular pressure in patients with intumescent cataract]. AU - Fabrikantov,O L, AU - Nikolashin,S I, AU - Shutova,S V, AU - Pirogova,E S, PY - 2018/6/29/entrez PY - 2018/6/29/pubmed PY - 2019/8/15/medline KW - intralenticular pressure KW - intumescent cataract KW - ophthalmology SP - 42 EP - 47 JF - Vestnik oftalmologii JO - Vestn Oftalmol VL - 134 IS - 3 N2 - : When the lens swells, a liquefied lenticular substance that increases intralenticular pressure accumulates in the lens bag making it difficult to perform standard capsulorhexis. Thus, determination of the intralenticular pressure value is of great importance for safe intumescent cataract phacoemulsification. PURPOSE: To develop a technology for intralenticular pressure measurement in patients with intumescent cataract and to construct a mathematical model for its prognosis according to preoperative examination data. MATERIAL AND METHODS: Intralenticular pressure was measured in 11 eyes with intumescent cataract. Before that, the following parameters of the anterior compartment of the eye were examined: anterior chamber depth, lens thickness according to ultrasound biomicroscopy (UBM), hypoechogenic layer (the anterior layer of liquefied lenticular masses), equatorial angle. RESULTS: The intraoperative technology of the intralenticular pressure measurement was developed. The direct dependency between thickness of the swelling lens, hypoechogenic layer value (the anterior layer of liquefied lenticular masses), anterior chamber depth and intralenticular pressure magnitude was defined. CONCLUSION: For the first time, the intraoperative intralenticular pressure was measured in patients with intumescent cataract. A dependency was defined between the thickness of the lens and the anterior layer of liquefied lenticular masses, anterior chamber depth, and intralenticular pressure magnitude; based on this, a mathematical model for intralenticular pressure measurement was constructed. SN - 0042-465X UR - https://www.unboundmedicine.com/medline/citation/29953081/[Determination_of_intralenticular_pressure_in_patients_with_intumescent_cataract]_ L2 - https://medlineplus.gov/cataract.html DB - PRIME DP - Unbound Medicine ER -