{"id":7991,"date":"2013-12-20T08:46:52","date_gmt":"2013-12-20T07:46:52","guid":{"rendered":"https:\/\/www.micropticsl.com\/why-use-a-casa-system-for-sperm-analysis-2\/"},"modified":"2019-08-01T10:38:37","modified_gmt":"2019-08-01T08:38:37","slug":"why-use-a-casa-system-for-sperm-analysis-3","status":"publish","type":"post","link":"https:\/\/www.micropticsl.com\/es\/why-use-a-casa-system-for-sperm-analysis-3\/","title":{"rendered":"Why use a CASA system for sperm analysis?"},"content":{"rendered":"<p>A conventional semen analysis, as it is made in a Reproductive biology clinic or general laboratory, tries to find out the quality of the sample.\u00a0 For that purpose, the microscopic characteristics must be evaluated: the concentration of the spermatozoa in the seminal liquid, their motility, morphology, vitality, and more recently, the presence of DNA fragmentation is evaluated.<\/p>\n<p>All with the aim to discover if a patient is fertile, and therefore capable of natural reproduction, or by the contrary would need an Assisted Reproduction technique to help.<\/p>\n<p>Traditionally, a well- trained laboratory technician makes the analysis, starting by the macroscopic visualization of the sample: the colour, odour, Ph, complete Liquefaction. All description data must be recorded.<\/p>\n<p>Following, the microscopic analysis must be done starting with the sperm count with the use of hemocytometer, where the fixed and diluted sample is placed.<\/p>\n<p>And subsequently, one of the most arduous steps in the visual level, the motility analysis, where the technician, through the manual observation of the sample, must be able to distinguish the percentage of motile spermatozoa with progressive movement and the total motile sperm. All that in a sample containing motile and static spermatozoa, embedded in the seminal liquid containing various particles as well.<\/p>\n<p>If the percentage of motile sperm is low, then the vitality analysis must be carried out, to determine if this low motility is due to high mortality in the spermatozoa.<\/p>\n<p>In a routine analysis, the morphology of the spermatozoa is studied too, for which the samples are stained and their size and shape observed, comparing the observations with a normal existing model. There are several classification criteria for the morphology and the WHO one is probably the most followed in the clinics worldwide.<\/p>\n<p><b>Current situation of the human semen analysis<\/b><\/p>\n<p>Despite the existence of systems that helps to standardize and automate the semen analysis, the truth is, the manual analysis described above is still the most frequent in the clinics and Assisted Reproduction centres. Technology has permitted the development of image analysis systems that make possible an exact differentiation between a rapid progressive spermatozoa and a slow one, <b>unattainable by the human eye<\/b>.<\/p>\n<p>The fact of continuing the manual analysis, meaning <b>delegating all responsibility to a technician making a subjective visualization<\/b> through the microscope and manually recording all the results in a form, has permitted\u00a0 the existence of failures\u00a0 in the analysis. And it is well known the existence of variations in the results if the same sample is analyzed by different experience and well-trained technicians, and even, by the same technician in different times of the day.<\/p>\n<p><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 hundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-overflow:visible;--awb-margin-top:40px;--awb-background-color:rgba(255,255,255,0);--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-one-full fusion-column-first fusion-column-last fusion-column-no-min-height\" style=\"--awb-bg-size:cover;--awb-margin-bottom:0px;\"><div class=\"fusion-column-wrapper fusion-flex-column-wrapper-legacy\"><div class=\"fusion-sep-clear\"><\/div><div class=\"fusion-separator fusion-full-width-sep\" style=\"margin-left: auto;margin-right: auto;width:100%;\"><\/div><div class=\"fusion-sep-clear\"><\/div>\n<div class=\"fusion-clearfix\"><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-2 hundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-overflow:visible;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-1 fusion_builder_column_1_3 1_3 fusion-one-third fusion-column-first\" style=\"--awb-bg-size:cover;width:33.3333333333%;width:calc(33.3333333333% - ( ( 4% ) * 0.333333333333 ) );margin-right: 4%;\"><div class=\"fusion-column-wrapper fusion-flex-column-wrapper-legacy\">\n<p style=\"text-align: center;\"><div class=\"fusion-image-element in-legacy-container\" style=\"--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-dropshadow imageframe-1 hover-type-none\" style=\"-webkit-box-shadow: 3px 3px 7px rgba(0,0,0,0.3);box-shadow: 3px 3px 7px rgba(0,0,0,0.3);\"><img decoding=\"async\" width=\"200\" height=\"150\" alt=\"Why use a CASA system for sperm analysis?\" title=\"why_use_a_casa_system_for_sperm_analysis_fig1_thumb\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27200%27%20height%3D%27150%27%20viewBox%3D%270%200%20200%20150%27%3E%3Crect%20width%3D%27200%27%20height%3D%27150%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"https:\/\/www.micropticsl.com\/wp-content\/uploads\/2013\/12\/why_use_a_casa_system_for_sperm_analysis_fig1_thumb.png\" class=\"lazyload img-responsive wp-image-18827\"\/><\/span><\/div>\n<p style=\"text-align: left;\"><div class=\"fusion-clearfix\"><\/div><\/div><\/div>\n<div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-2 fusion_builder_column_2_3 2_3 fusion-two-third fusion-column-last\" style=\"--awb-bg-size:cover;width:66.6666666667%;width:calc(66.6666666667% - ( ( 4% ) * 0.666666666667 ) );\"><div class=\"fusion-column-wrapper fusion-flex-column-wrapper-legacy\">\n<p>Several papers have mentioned these facts, as the following: \u201c<i>CASA-based sperm kinematics of environmental risk factor-exposed human semen samples designated as normozoospermic in conventional analysis<\/i>\u201d, manifesting the need of <b>standardization <\/b>in the aim to obtain an accurate diagnostic.<\/p>\n<p>*Fig: Data obtained with a CASA system in the study<\/p>\n<div class=\"fusion-clearfix\"><\/div><\/div><\/div>\n<div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-3 fusion_builder_column_1_3 1_3 fusion-one-third fusion-column-first\" style=\"--awb-bg-size:cover;width:33.3333333333%;width:calc(33.3333333333% - ( ( 4% ) * 0.333333333333 ) );margin-right: 4%;\"><div class=\"fusion-column-wrapper fusion-flex-column-wrapper-legacy\">\n<p style=\"text-align: center;\"><div class=\"fusion-image-element in-legacy-container\" style=\"--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-dropshadow imageframe-2 hover-type-none\" style=\"-webkit-box-shadow: 3px 3px 7px rgba(0,0,0,0.3);box-shadow: 3px 3px 7px rgba(0,0,0,0.3);\"><img decoding=\"async\" width=\"200\" height=\"150\" alt=\"Why use a CASA system for sperm analysis?\" title=\"why_use_a_casa_system_for_sperm_analysis_fig2_thumb\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27200%27%20height%3D%27150%27%20viewBox%3D%270%200%20200%20150%27%3E%3Crect%20width%3D%27200%27%20height%3D%27150%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"https:\/\/www.micropticsl.com\/wp-content\/uploads\/2013\/12\/why_use_a_casa_system_for_sperm_analysis_fig2_thumb.png\" class=\"lazyload img-responsive wp-image-18819\"\/><\/span><\/div>\n<div class=\"fusion-clearfix\"><\/div><\/div><\/div>\n<div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-4 fusion_builder_column_2_3 2_3 fusion-two-third fusion-column-last\" style=\"--awb-bg-size:cover;width:66.6666666667%;width:calc(66.6666666667% - ( ( 4% ) * 0.666666666667 ) );\"><div class=\"fusion-column-wrapper fusion-flex-column-wrapper-legacy\">\n<p>On the contrary, using a CASA system this variation disappears, even between different laboratories and personnel, as they could test in this Human reproduction publication: \u00a0\u201c<i>Morphometric dimensions of the human sperm head depend on the staining method used\u201d<\/i>, where two different laboratories having the CASA Sperm Class Analyzer\u00ae obtained very similar results.<\/p>\n<p>*Fig: The left figure shows the data obtained in Western Cape Town University, and the right one in the University of Stellenbosh.<\/p>\n<div class=\"fusion-clearfix\"><\/div><\/div><\/div>\n<div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-5 fusion_builder_column_1_3 1_3 fusion-one-third fusion-column-first\" style=\"--awb-bg-size:cover;width:33.3333333333%;width:calc(33.3333333333% - ( ( 4% ) * 0.333333333333 ) );margin-right: 4%;\"><div class=\"fusion-column-wrapper fusion-flex-column-wrapper-legacy\">\n<p style=\"text-align: center;\"><div class=\"fusion-image-element in-legacy-container\" style=\"--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-dropshadow imageframe-3 hover-type-none\" style=\"-webkit-box-shadow: 3px 3px 7px rgba(0,0,0,0.3);box-shadow: 3px 3px 7px rgba(0,0,0,0.3);\"><img decoding=\"async\" width=\"200\" height=\"150\" alt=\"Why use a CASA system for sperm analysis?\" title=\"why_use_a_casa_system_for_sperm_analysis_fig3_thumb\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27200%27%20height%3D%27150%27%20viewBox%3D%270%200%20200%20150%27%3E%3Crect%20width%3D%27200%27%20height%3D%27150%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"https:\/\/www.micropticsl.com\/wp-content\/uploads\/2013\/12\/why_use_a_casa_system_for_sperm_analysis_fig3_thumb.png\" class=\"lazyload img-responsive wp-image-18823\"\/><\/span><\/div>\n<div class=\"fusion-clearfix\"><\/div><\/div><\/div>\n<div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-6 fusion_builder_column_2_3 2_3 fusion-two-third fusion-column-last\" style=\"--awb-bg-size:cover;width:66.6666666667%;width:calc(66.6666666667% - ( ( 4% ) * 0.666666666667 ) );\"><div class=\"fusion-column-wrapper fusion-flex-column-wrapper-legacy\">\n<p>Furthermore, a CASA system permits to obtain verifiable data, as the images registered can be analyzed again, thus permitting an internal and external quality control, reproducibility and rapidity in obtaining quality data, as well as friendly use.<\/p>\n<p>All these advantages would allow a better male fertility diagnostic and consequently treatment, or decision making, in the case to resort an Assisted Reproduction Technique, which is never an easy path for the couples.<\/p>\n<p>*Fig: CASA advantages<\/p>\n<div class=\"fusion-clearfix\"><\/div><\/div><\/div>\n<p>* All figures from Prof Stefan DuPlessis presentation during RAHR conference, Russia, 2012<\/p>\n<div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-7 fusion_builder_column_1_1 1_1 fusion-one-full fusion-column-first fusion-column-last fusion-column-no-min-height\" style=\"--awb-bg-size:cover;--awb-margin-bottom:0px;\"><div class=\"fusion-column-wrapper fusion-flex-column-wrapper-legacy\"><div class=\"fusion-sep-clear\"><\/div><div class=\"fusion-separator fusion-full-width-sep\" style=\"margin-left: auto;margin-right: auto;margin-top:40px;width:100%;\"><\/div><div class=\"fusion-sep-clear\"><\/div>\n<p><strong>Ms Mercedes Dad\u00edn<br \/>\n<\/strong>Biologist- Marketing Manager<br \/>\nMICROPTIC S.L.<\/p>\n<div class=\"fusion-sep-clear\"><\/div><div class=\"fusion-separator fusion-full-width-sep\" style=\"margin-left: auto;margin-right: auto;margin-top:40px;width:100%;\"><\/div><div class=\"fusion-sep-clear\"><\/div>\n<p><a title=\"Sistema CASA SCA evolution Sperm Class Analyzer\" href=\"https:\/\/www.micropticsl.com\/es\/?page_id=7616\"><img decoding=\"async\" class=\"lazyload alignnone size-full wp-image-11460\" src=\"https:\/\/www.micropticsl.com\/wp-content\/uploads\/2013\/09\/banner_sca_evolution_casa_system_esp.png\" data-orig-src=\"https:\/\/www.micropticsl.com\/wp-content\/uploads\/2013\/09\/banner_sca_evolution_casa_system_esp.png\" alt=\"banner_sca_evolution_casa_system_esp\" width=\"665\" height=\"100\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27665%27%20height%3D%27100%27%20viewBox%3D%270%200%20665%20100%27%3E%3Crect%20width%3D%27665%27%20height%3D%27100%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-srcset=\"https:\/\/www.micropticsl.com\/wp-content\/uploads\/2013\/09\/banner_sca_evolution_casa_system_esp-300x45.png 300w, https:\/\/www.micropticsl.com\/wp-content\/uploads\/2013\/09\/banner_sca_evolution_casa_system_esp.png 665w\" data-sizes=\"auto\" data-orig-sizes=\"(max-width: 665px) 100vw, 665px\" \/><\/a><div class=\"fusion-clearfix\"><\/div><\/div><\/div><\/div><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A conventional semen analysis, as it is made in a Reproductive biology clinic or general laboratory, tries to find out the quality of the sample.\u00a0 For that purpose, the microscopic characteristics must be evaluated: the concentration of the spermatozoa in the seminal liquid, their motility, morphology, vitality, and more recently, the presence of DNA fragmentation <a href=\"https:\/\/www.micropticsl.com\/es\/why-use-a-casa-system-for-sperm-analysis-3\/\"> [&#8230;]<\/a><\/p>\n","protected":false},"author":1,"featured_media":6021,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[143],"tags":[368,360],"class_list":["post-7991","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog-es","tag-microptic-es","tag-sca-es"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.8 - 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