Comparison of cumulative dissipated energy delivered by active-fluidic pressure control phacoemulsification system versus gravity-fluidics

Roberto Gonzalez-Salinas, Manuel Garza-Leon, Manuel Saenz-de-Viteri, Juan C. Solis-S, Rosario Gulias-Cañizo, Hugo Quiroz-Mercado

Research output: Contribution to journalArticle

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Abstract

Purpose: To compare the cumulative dissipated energy (CDE), aspiration time and estimated aspiration fluid utilized during phacoemulsification cataract surgery using two phacoemulsification systems. Methods: A total of 164 consecutive eyes of 164 patients undergoing cataract surgery, 82 in the active-fluidics group and 82 in the gravity-fluidics group were enrolled in this study. Cataracts graded NII to NIII using LOCS II were included. Each subject was randomly assigned to one of the two platforms with a specific configuration: the active-fluidics Centurion ® phacoemulsification system or the gravity-fluidics Infiniti ® Vision System. CDE, aspiration time (AT) and the mean estimated aspiration fluid (EAF) were registered and compared. Results: A mean age of 68.3 ± 9.8 years was found (range 57–92 years), and no significant difference was evident between both groups. A positive correlation between the CDE values obtained by both platforms was verified (r = 0.271, R 2 = 0.073, P = 0.013). Similarly, a significant correlation was evidenced for the EAF (r = 0.334, R 2 = 0.112, P = 0.046) and AT values (r = 0.156, R 2 = 0.024, P = 0.161). A statistically significantly lower CDE count, aspiration time and estimated fluid were obtained using the active-fluidics configuration when compared to the gravity-fluidics configuration by 19.29, 12.10 and 9.29%, respectively (P = 0.001, P < 0.0001 and P = 0.001). Conclusions: The active-fluidics Centurion ® phacoemulsification system achieved higher surgical efficiency than the gravity-fluidics Infiniti ® IP system for NII and NIII cataracts.

Original languageEnglish
Pages (from-to)1907-1913
Number of pages7
JournalInternational Ophthalmology
Volume38
Issue number5
DOIs
Publication statusPublished - 1 Oct 2018

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Phacoemulsification
Gravitation
Cataract
Pressure

All Science Journal Classification (ASJC) codes

  • Ophthalmology

Cite this

Gonzalez-Salinas, Roberto ; Garza-Leon, Manuel ; Saenz-de-Viteri, Manuel ; Solis-S, Juan C. ; Gulias-Cañizo, Rosario ; Quiroz-Mercado, Hugo. / Comparison of cumulative dissipated energy delivered by active-fluidic pressure control phacoemulsification system versus gravity-fluidics. In: International Ophthalmology. 2018 ; Vol. 38, No. 5. pp. 1907-1913.
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abstract = "Purpose: To compare the cumulative dissipated energy (CDE), aspiration time and estimated aspiration fluid utilized during phacoemulsification cataract surgery using two phacoemulsification systems. Methods: A total of 164 consecutive eyes of 164 patients undergoing cataract surgery, 82 in the active-fluidics group and 82 in the gravity-fluidics group were enrolled in this study. Cataracts graded NII to NIII using LOCS II were included. Each subject was randomly assigned to one of the two platforms with a specific configuration: the active-fluidics Centurion {\circledR} phacoemulsification system or the gravity-fluidics Infiniti {\circledR} Vision System. CDE, aspiration time (AT) and the mean estimated aspiration fluid (EAF) were registered and compared. Results: A mean age of 68.3 ± 9.8 years was found (range 57–92 years), and no significant difference was evident between both groups. A positive correlation between the CDE values obtained by both platforms was verified (r = 0.271, R 2 = 0.073, P = 0.013). Similarly, a significant correlation was evidenced for the EAF (r = 0.334, R 2 = 0.112, P = 0.046) and AT values (r = 0.156, R 2 = 0.024, P = 0.161). A statistically significantly lower CDE count, aspiration time and estimated fluid were obtained using the active-fluidics configuration when compared to the gravity-fluidics configuration by 19.29, 12.10 and 9.29{\%}, respectively (P = 0.001, P < 0.0001 and P = 0.001). Conclusions: The active-fluidics Centurion {\circledR} phacoemulsification system achieved higher surgical efficiency than the gravity-fluidics Infiniti {\circledR} IP system for NII and NIII cataracts.",
author = "Roberto Gonzalez-Salinas and Manuel Garza-Leon and Manuel Saenz-de-Viteri and Solis-S, {Juan C.} and Rosario Gulias-Ca{\~n}izo and Hugo Quiroz-Mercado",
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Comparison of cumulative dissipated energy delivered by active-fluidic pressure control phacoemulsification system versus gravity-fluidics. / Gonzalez-Salinas, Roberto; Garza-Leon, Manuel; Saenz-de-Viteri, Manuel; Solis-S, Juan C.; Gulias-Cañizo, Rosario; Quiroz-Mercado, Hugo.

In: International Ophthalmology, Vol. 38, No. 5, 01.10.2018, p. 1907-1913.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Comparison of cumulative dissipated energy delivered by active-fluidic pressure control phacoemulsification system versus gravity-fluidics

AU - Gonzalez-Salinas, Roberto

AU - Garza-Leon, Manuel

AU - Saenz-de-Viteri, Manuel

AU - Solis-S, Juan C.

AU - Gulias-Cañizo, Rosario

AU - Quiroz-Mercado, Hugo

PY - 2018/10/1

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N2 - Purpose: To compare the cumulative dissipated energy (CDE), aspiration time and estimated aspiration fluid utilized during phacoemulsification cataract surgery using two phacoemulsification systems. Methods: A total of 164 consecutive eyes of 164 patients undergoing cataract surgery, 82 in the active-fluidics group and 82 in the gravity-fluidics group were enrolled in this study. Cataracts graded NII to NIII using LOCS II were included. Each subject was randomly assigned to one of the two platforms with a specific configuration: the active-fluidics Centurion ® phacoemulsification system or the gravity-fluidics Infiniti ® Vision System. CDE, aspiration time (AT) and the mean estimated aspiration fluid (EAF) were registered and compared. Results: A mean age of 68.3 ± 9.8 years was found (range 57–92 years), and no significant difference was evident between both groups. A positive correlation between the CDE values obtained by both platforms was verified (r = 0.271, R 2 = 0.073, P = 0.013). Similarly, a significant correlation was evidenced for the EAF (r = 0.334, R 2 = 0.112, P = 0.046) and AT values (r = 0.156, R 2 = 0.024, P = 0.161). A statistically significantly lower CDE count, aspiration time and estimated fluid were obtained using the active-fluidics configuration when compared to the gravity-fluidics configuration by 19.29, 12.10 and 9.29%, respectively (P = 0.001, P < 0.0001 and P = 0.001). Conclusions: The active-fluidics Centurion ® phacoemulsification system achieved higher surgical efficiency than the gravity-fluidics Infiniti ® IP system for NII and NIII cataracts.

AB - Purpose: To compare the cumulative dissipated energy (CDE), aspiration time and estimated aspiration fluid utilized during phacoemulsification cataract surgery using two phacoemulsification systems. Methods: A total of 164 consecutive eyes of 164 patients undergoing cataract surgery, 82 in the active-fluidics group and 82 in the gravity-fluidics group were enrolled in this study. Cataracts graded NII to NIII using LOCS II were included. Each subject was randomly assigned to one of the two platforms with a specific configuration: the active-fluidics Centurion ® phacoemulsification system or the gravity-fluidics Infiniti ® Vision System. CDE, aspiration time (AT) and the mean estimated aspiration fluid (EAF) were registered and compared. Results: A mean age of 68.3 ± 9.8 years was found (range 57–92 years), and no significant difference was evident between both groups. A positive correlation between the CDE values obtained by both platforms was verified (r = 0.271, R 2 = 0.073, P = 0.013). Similarly, a significant correlation was evidenced for the EAF (r = 0.334, R 2 = 0.112, P = 0.046) and AT values (r = 0.156, R 2 = 0.024, P = 0.161). A statistically significantly lower CDE count, aspiration time and estimated fluid were obtained using the active-fluidics configuration when compared to the gravity-fluidics configuration by 19.29, 12.10 and 9.29%, respectively (P = 0.001, P < 0.0001 and P = 0.001). Conclusions: The active-fluidics Centurion ® phacoemulsification system achieved higher surgical efficiency than the gravity-fluidics Infiniti ® IP system for NII and NIII cataracts.

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