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Journal of Assisted Reproduction and Genetics

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01-08-2011 | Technical Innovations

Digital holographic microscopy in human sperm imaging

Authors: Igor Crha, Jana Zakova, Martin Huser, Pavel Ventruba, Eva Lousova, Michal Pohanka

Published in: Journal of Assisted Reproduction and Genetics | Issue 8/2011

Abstract

Purpose

The aim of this study was to use digital holographic microscopy (DHM) in human sperm imaging and compare quantitative phase contrast of sperm heads in normozoospermia (NZ) and oligoasthenozoospermia (OAT).

Methods

DHM spermatozoa imaging and repeated quantitative phase shift evaluation were used. Five NZ and 5 OAT samples were examined. Semen samples were examined by semen analysis and processed for DHM. Main outcome measures were maximum phase shift value of the sperm heads. Differences of the phase shift and in NZ and OAT samples were statistically tested.

Results

In NZ samples median phase shifts were in the range 2.72–3.21 rad and 2.00–2.15 in OAT samples. Differences among individual samples were statistically significant (p < 0.001) in both groups. Median phase shift according to sperm count was 2.90 rad in NZ samples and 2.00 rad in OAT samples. This difference was statistically significant (p < 0.001).

Conclusion

Quantitative evaluation of the phase shift by DHM could provide new information on the exact structure and composition of the sperm head. At present, this technique is not established for clinical utility.

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Title: Digital holographic microscopy in human sperm imaging
Authors: Igor Crha
Jana Zakova
Martin Huser
Pavel Ventruba
Eva Lousova
Michal Pohanka
Publication date: 01-08-2011
Publisher: Springer US
Published in: Journal of Assisted Reproduction and Genetics / Issue 8/2011
Print ISSN: 1058-0468
Electronic ISSN: 1573-7330
DOI: https://doi.org/10.1007/s10815-011-9584-y

At a glance: The STEP trials

Springer Medicine

Digital holographic microscopy in human sperm imaging

Abstract

Purpose

Methods

Results

Conclusion

At a glance: The STEP trials

Springer Medicine

Abstract

Purpose

Methods

Results

Conclusion

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