{"id":28861,"date":"2022-06-22T10:05:01","date_gmt":"2022-06-22T08:05:01","guid":{"rendered":"https:\/\/www.inanutshell.ch\/?page_id=28861"},"modified":"2022-06-22T10:05:01","modified_gmt":"2022-06-22T08:05:01","slug":"glomerular-filtration-rate-gfr","status":"publish","type":"page","link":"https:\/\/www.inanutshell.ch\/en\/digital-doctors-bag\/glomerular-filtration-rate-gfr\/","title":{"rendered":"Glomerular Filtration Rate (GFR)"},"content":{"rendered":"<p>The glomerular filtration rate describes the flow rate of the filtered fluid through the kidney. Various formulas are available to calculate the estimated glomerular filtration rate (eGFR), which is central to the assessment of kidney function.<\/p>\n<p>The CKD-EPI formula was published in 2009 and is considered the most reliable formula. The Cockcroft-Gault calculation takes weight into account and helps to estimate renal function in patients with sarcopenia or who are underweight.<\/p>\n    <div class=\"medical-calculator gfr\" id=\"medical-calculator-gfr\">\r\n        <form>\r\n            <div class=\"form-group row\">\r\n                <label for=\"medical-calculator-gfr-kreatinin\" class=\"col-sm-4 col-form-label\">\r\n                                    Creatinine\r\n                                <\/label>\r\n                <div class=\"col-sm-8\">\r\n                    <div class=\"input-group mb-2\">\r\n                        <input type=\"text\" name=\"kreatinin\" id=\"medical-calculator-gfr-kreatinin\" class=\"form-control\" placeholder=\"44-106\" aria-label=\"Creatinine\" aria-describedby=\"medical-calculator-gfr-kreatinin-unit\" tabindex=\"1\" inputmode=\"decimal\">\r\n                        <div class=\"input-group-append\">\r\n                            <button class=\"btn btn-unit\" type=\"button\" id=\"medical-calculator-gfr-kreatinin-unit\">mmol\/l \u21cc<\/button>\r\n                        <\/div>\r\n                        <div class=\"invalid-feedback\" id=\"medical-calculator-gfr-kreatinin-error\"><\/div>\r\n                    <\/div>\r\n                <\/div>\r\n            <\/div>\r\n            <div class=\"form-group row\">\r\n                <label for=\"medical-calculator-gfr-age\" class=\"col-sm-4 col-form-label\">\r\n                                    Age\r\n                                <\/label>\r\n                <div class=\"col-sm-8\">\r\n                    <div class=\"input-group mb-2\">\r\n                        <input type=\"text\" name=\"age\" id=\"medical-calculator-gfr-age\" class=\"form-control\" aria-label=\"Age\" aria-describedby=\"medical-calculator-gfr-age-unit\" tabindex=\"2\" inputmode=\"numeric\">\r\n                        <div class=\"input-group-append\">\r\n                            <span class=\"input-group-text\" id=\"medical-calculator-gfr-age-unit\">\r\n                                                            years\r\n                                                        <\/span>\r\n                        <\/div>\r\n                        <div class=\"invalid-feedback\" id=\"medical-calculator-gfr-age-error\"><\/div>\r\n                    <\/div>\r\n                <\/div>\r\n            <\/div>\r\n            <div class=\"form-group row\">\r\n                <label for=\"medical-calculator-gfr-weight\" class=\"col-sm-4 col-form-label\">\r\n                                    Body weight\r\n                                <\/label>\r\n                <div class=\"col-sm-8\">\r\n                    <div class=\"input-group mb-2\">\r\n                        <input type=\"text\" name=\"weight\" id=\"medical-calculator-gfr-weight\" class=\"form-control\" placeholder=\"\" aria-label=\"Body weight\" aria-describedby=\"medical-calculator-gfr-weight-unit\" tabindex=\"3\" inputmode=\"decimal\">\r\n                        <div class=\"input-group-append\">\r\n                            <button class=\"btn btn-unit\" type=\"button\" id=\"medical-calculator-gfr-weight-unit\">kg \u21cc<\/button>\r\n                        <\/div>\r\n                        <div class=\"invalid-feedback\" id=\"medical-calculator-gfr-weight-error\"><\/div>\r\n                    <\/div>\r\n                <\/div>\r\n            <\/div>\r\n            <div class=\"form-group row\">\r\n                <div class=\"col-sm-4 col-form-label\">\r\n                                    Sex\r\n                                <\/div>\r\n                <div class=\"col-sm-8\">\r\n                    <div class=\"d-flex btn-group btn-group-toggle\" data-toggle=\"buttons\">\r\n                        <label class=\"btn btn-outline-secondary\">\r\n                            <input type=\"radio\" name=\"gender\" id=\"medical-calculator-gfr-gender-m\" value=\"m\" tabindex=\"4\" autocomplete=\"off\">\r\n                                                            Male\r\n                                                    <\/label>\r\n                        <label class=\"btn btn-outline-secondary\">\r\n                            <input type=\"radio\" name=\"gender\" id=\"medical-calculator-gfr-gender-f\" value=\"f\" tabindex=\"5\" autocomplete=\"off\">\r\n                                                            Female\r\n                                                    <\/label>\r\n                    <\/div>\r\n                <\/div>\r\n            <\/div>\r\n            <div class=\"form-group row\">\r\n                <div class=\"col-sm-4 col-form-label\">\r\n                                    Black race\r\n                                <\/div>\r\n                <div class=\"col-sm-8\">\r\n                    <div class=\"d-flex btn-group btn-group-justified btn-group-toggle\" data-toggle=\"buttons\">\r\n                        <label class=\"btn btn-outline-secondary\">\r\n                            <input type=\"radio\" name=\"dark-skin\" id=\"medical-calculator-gfr-dark-skin-y\" value=\"Y\" tabindex=\"6\" autocomplete=\"off\"> \r\n                                                            Yes\r\n                                                    <\/label>\r\n                        <label class=\"btn btn-outline-secondary\">\r\n                            <input type=\"radio\" name=\"dark-skin\" id=\"medical-calculator-gfr-dark-skin-n\" value=\"N\" tabindex=\"7\" autocomplete=\"off\">\r\n                                                            No\r\n                                                    <\/label>\r\n                    <\/div>\r\n                <\/div>\r\n            <\/div>\r\n        <\/form>\r\n\r\n        <div class=\"row no-gutters row-eq-height\">\r\n            <div class=\"col-12 col-md-4\">\r\n                <div id=\"medical-calculator-gfr-ckd-epi-result-text\" class=\"result-text\">\r\n                    <h5>CKD-EPI<\/h5>\r\n                    <h5><span id=\"medical-calculator-gfr-ckd-epi-result-value\"><\/span> ml\/min\/1.73m\u00b2<\/h5>\r\n                    <p id=\"medical-calculator-gfr-ckd-epi-interpretation\"><\/p>\r\n                <\/div>\r\n            <\/div>\r\n            <div class=\"col-12 col-md-4\">\r\n                <div id=\"medical-calculator-gfr-mdrd-result-text\" class=\"result-text\">\r\n                    <h5>MDRD<\/h5>\r\n                    <h5><span id=\"medical-calculator-gfr-mdrd-result-value\"><\/span> ml\/min\/1.73m\u00b2<\/h5>\r\n                    <p id=\"medical-calculator-gfr-mdrd-interpretation\"><\/p>\r\n                <\/div>\r\n            <\/div>\r\n            <div class=\"col-12 col-md-4\">\r\n                <div id=\"medical-calculator-gfr-cockcroft-result-text\" class=\"result-text\">\r\n                    <h5>Cockcroft-Gault<\/h5>\r\n                    <h5><span id=\"medical-calculator-gfr-cockcroft-result-value\"><\/span> ml\/min<\/h5>\r\n                    <p id=\"medical-calculator-gfr-cockcroft-interpretation\"><\/p>\r\n                <\/div>\r\n            <\/div>\r\n        <\/div>\r\n\r\n        <div class=\"row\">\r\n            <div class=\"col-sm-12 mt-3\">\r\n                <h5>\r\n                                    Interpretation\r\n                                <\/h5>\r\n                <div class=\"table-responsive-sm\">\r\n                    <table class=\"table table-bordered\">\r\n                        <thead>\r\n                            <tr>\r\n                                <th>\r\n                                                                            eGFR (ml\/min\/1.73m\u00b2)\r\n                                                                    <\/th>\r\n                                <th>\r\n                                                                            Category\r\n                                                                    <\/th>\r\n                                <th>\r\n                                                                            Interpretation\r\n                                                                    <\/th>\r\n                            <\/tr>\r\n                        <\/thead>\r\n                        <tbody>\r\n                            <tr class=\"table-row-a\">\r\n                                <td>&ge; 90<\/td>\r\n                                <td>G1<\/td>\r\n                                <td>\r\n                                                                            Normal renal function\r\n                                                                    <\/td>\r\n                            <\/tr>\r\n                            <tr class=\"table-row-b\">\r\n                                <td>60-89<\/td>\r\n                                <td>G2<\/td>\r\n                                <td>\r\n                                                                            Mildly decreased renal function\r\n                                                                    <\/td>\r\n                            <\/tr>\r\n                            <tr class=\"table-row-c\">\r\n                                <td>45-59<\/td>\r\n                                <td>G3a<\/td>\r\n                                <td>\r\n                                                                            Mildly to moderately decreased renal function\r\n                                                                    <\/td>\r\n                            <\/tr>\r\n                            <tr class=\"table-row-d\">\r\n                                <td>30-44<\/td>\r\n                                <td>G3b<\/td>\r\n                                <td>\r\n                                                                            Moderately to severely decreased renal function\r\n                                                                    <\/td>\r\n                            <\/tr>\r\n                            <tr class=\"table-row-e\">\r\n                                <td>15-29<\/td>\r\n                                <td>G4<\/td>\r\n                                <td>\r\n                                                                            Severely decreased renal function\r\n                                                                    <\/td>\r\n                            <\/tr>\r\n                            <tr class=\"table-row-f\">\r\n                                <td>&lt; 15<\/td>\r\n                                <td>G5<\/td>\r\n                                <td>\r\n                                                                            Kidney failure\r\n                                                                    <\/td>\r\n                            <\/tr>\r\n                        <\/tbody>\r\n                    <\/table>\r\n                <\/div>\r\n            <\/div>\r\n        <\/div>\r\n\r\n        <div class=\"row\">\r\n            <div class=\"col-sm-12 mt-3\">\r\n                <h5>\r\n                                    References\r\n                                <\/h5>\r\n                <ol class=\"references\">\r\n                    <li id=\"gfr-cite-note-1\">Levey AS, Stevens LA, Schmid CH et al. A new equation to estimate glomerular filtration rate. Ann Intern Med 2009; 150: 604-612<\/li>\r\n                    <li id=\"gfr-cite-note-2\">Levey AS, Bosch JP, Lewis JB et al. A more accurate method to estimate glomerular filtration rate from serum creatinine: a new prediction equation. Modification of Diet in Renal Disease Study Group. Ann Intern Med 1999; 130: 461-470<\/li>\r\n                    <li id=\"gfr-cite-note-3\">Levey AS, Coresh J, Greene T et al. Using standardized serum creatinine values in the modification of diet in renal disease study equation for estimating glomerular filtration rate. Ann Intern Med 2006; 145: 247-254<\/li>\r\n                    <li id=\"gfr-cite-note-4\">Cockcroft DW, Gault MH. Prediction of creatinine clearance from serum creatinine. Nephron 1976; 16: 31-41<\/li>\r\n                    <li id=\"gfr-cite-note-5\">KDIGO. Summary of Recommendation Statements. Kidney international supplements 2013; 3: 5-14<\/li>\r\n                <\/ol>\r\n            <\/div>\r\n        <\/div>\r\n    <\/div>\r\n    <script type=\"text\/javascript\">\r\n                var medical_calculator_gfr_messages = {\r\n            'kreatinin_micromoles_per_l_out_of_range' : 'Unlikely value (creatinine): values between 0.1 et 1000 \u03bcmol\/l allowed.',\r\n            'kreatinin_mg_per_dl_out_of_range' : 'Unlikely value (creatinine): values between 0.00113 and 11.31 mg\/l allowed.',\r\n            'age_out_of_range' : 'Unlikely value (age): values between 1 and 120 years allowed.',\r\n            'weight_kg_out_of_range' : 'Unlikely value (body weight): values between 15 and 300 kg allowed.',\r\n            'weight_lbs_out_of_range' : 'Unlikely value (body weight): values between 33.075 and 661.5 lbs allowed.',\r\n            'interpretation_ge_90' : 'Normal renal function',\r\n            'interpretation_60_89' : 'Mildly decreased renal function',\r\n            'interpretation_45_59' : 'Mildly to moderately decreased renal function',\r\n            'interpretation_30_44' : 'Moderately to severely decreased renal function',\r\n            'interpretation_15_29' : 'Severely decreased renal function',\r\n            'interpretation_lt_15' : 'Kidney failure',\r\n            'category' : 'Category'\r\n        };\r\n            <\/script>\r\n\n","protected":false},"excerpt":{"rendered":"<p>The glomerular filtration rate describes the flow rate of the filtered fluid through the kidney. Various formulas are available to calculate the estimated glomerular filtration rate (eGFR), which is central to the assessment of kidney function. The CKD-EPI formula was published in 2009 and is considered the most reliable formula. The Cockcroft-Gault calculation takes weight [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":28833,"menu_order":132,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-28861","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.inanutshell.ch\/en\/wp-json\/wp\/v2\/pages\/28861","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.inanutshell.ch\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.inanutshell.ch\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.inanutshell.ch\/en\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.inanutshell.ch\/en\/wp-json\/wp\/v2\/comments?post=28861"}],"version-history":[{"count":1,"href":"https:\/\/www.inanutshell.ch\/en\/wp-json\/wp\/v2\/pages\/28861\/revisions"}],"predecessor-version":[{"id":28862,"href":"https:\/\/www.inanutshell.ch\/en\/wp-json\/wp\/v2\/pages\/28861\/revisions\/28862"}],"up":[{"embeddable":true,"href":"https:\/\/www.inanutshell.ch\/en\/wp-json\/wp\/v2\/pages\/28833"}],"wp:attachment":[{"href":"https:\/\/www.inanutshell.ch\/en\/wp-json\/wp\/v2\/media?parent=28861"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}