{"id":12653,"date":"2018-10-17T14:56:08","date_gmt":"2018-10-17T14:56:08","guid":{"rendered":"https:\/\/template2.orthopediste-lausanne.ch\/prothese-unicompartimentale-de-genou\/"},"modified":"2025-12-03T07:40:33","modified_gmt":"2025-12-03T07:40:33","slug":"unicompartmental-knee-prosthesis","status":"publish","type":"page","link":"https:\/\/template2.orthopediste-lausanne.ch\/en\/unicompartmental-knee-prosthesis\/","title":{"rendered":"Unicompartmental knee prosthesis"},"content":{"rendered":"<div class=\"maladie-fiche-bg\" style=\"background-image: url('images\/genou_header.png')\">\n<\/div>\n<section class=\"grey\">\n<div class=\"container\">\n<div class=\"row p-tb-150\">\n<div class=\"col-xs-12 col-sm-4 col-md-3 col-lg-3 menu-sticky\">\n<div class=\"maladie-fiche-menu\">\n<h4>\n        Menu<br \/>\n      <\/h4>\n<ul>\n<li><a href=\"#menu9_anchor\" id=\"menu9\" class=\"link-bottom js-scrollTo\"><span>Introduction<\/span><i class=\"fa fa-caret-right\"><\/i><\/a><\/li>\n<li><a href=\"#menu10_anchor\" id=\"menu10\" class=\"link-bottom js-scrollTo\"><span>Surgery<\/span><i class=\"fa fa-caret-right\"><\/i><\/a><\/li>\n<li><a href=\"#menu11_anchor\" id=\"menu11\" class=\"link-bottom js-scrollTo\"><span>Frequently Asked Questions<\/span><i class=\"fa fa-caret-right\"><\/i><\/a><\/li>\n<\/ul><\/div>\n<\/p><\/div>\n<div class=\"col-xs-12 col-sm-8 col-md-9 col-lg-9\">\n<div class=\"maladie-contenu\">\n<div id=\"menu9_anchor\"><\/div>\n<div id=\"menu9_trigger\" class=\"section remove_separation\">\n         <!-- \n\n<div class=\"img-contenu\">\n        <img decoding=\"async\" src=\"\/med\/images\/operations\/prothese_unicompartimentale_de_genou\/prothese_unicompartimentale_de_genou_1.jpg\" alt=\"Proth\u00e8se unicompartimentale de genou\" \/>\n       <\/div>\n\n--><\/p>\n<h3>\n      Introduction<br \/>\n      <\/h3>\n<p><iframe width=\"100%\" height=\"460\" style=\"margin-bottom:40px;\" src=\"https:\/\/www.youtube.com\/embed\/-cOaYpS3DPk?rel=0&amp;showinfo=0\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<p>\n<strong>Purpose of the operation<\/strong><br \/>\nAs with a total knee replacement, we aim to replace damaged cartilage with artificial gliding surfaces. In some cases, osteoarthritis affects only one compartment of the knee, the others being perfectly healthy. It is then possible to replace only the affected part of the weight-bearing joint. This avoids unnecessarily sacrificing the healthy parts of the knee. The patient therefore experiences a less mechanical knee sensation than with a total knee replacement.<\/p>\n<p>\n<strong>Indications<\/strong><br \/>\nIt is possible to fit this type of prosthesis provided that the osteoarthritis only affects one of the three compartments of the knee: internal compartment(1), external compartment(2) or the femoropatellar compartment(3).<\/p>\n<p>\n<strong>Contraindications<\/strong><br \/>\nBeing overweight, having significant axial defects, a ligament injury of the central pivot, or a concomitant hip injury contraindicates this type of procedure.<\/p>\n<p>\n<strong>Preparation<\/strong><br \/>\nOrthopedic assessment: The examination performed by the orthopedic surgeon and the X-ray assessment of the knee will determine the type of prosthesis to be implanted. The treatment is also tailored to the functional requirements and the patient&#039;s age.<br \/>\nAnesthetic assessment: The consultation with the anesthesiologist aims to prevent operative risks and to optimize the patient&#039;s condition for their operation.<\/p>\n<\/p><\/div>\n<div id=\"menu10_anchor\"><\/div>\n<div id=\"menu10_trigger\" class=\"section\">\n           <!--   \n\n<div class=\"img-contenu\">\n        <img decoding=\"async\" src=\"\/med\/images\/operations\/prothese_unicompartimentale_de_genou\/prothese_unicompartimentale_de_genou_2.jpg\" alt=\"Proth\u00e8se unicompartimentale de genou\" \/>\n       <\/div>\n\n--><\/p>\n<h3>\n     Surgery<br \/>\n    <\/h3>\n<p>   <!--\n\n<p>\n    1. Os f\u00e9moral, 2. Cartilage f\u00e9moral, 3. Pi\u00e8ce proth\u00e9tique condylienne, 4. Interface de poly\u00e9thyl\u00e8ne, 5. Embase tibiale, 6. Os tibial.<\/p>\n\n--><\/p>\n<p>\n<strong>Description<\/strong><br \/>\nA short incision on the inner or outer side of the knee allows us to access the affected part of the joint. The diseased femoral and tibial cartilages are removed. We replace them with a condylar prosthesis on the femur and a metal bearing, the tibial baseplate, on the tibia. These two metal components are cemented in place. Finally, a polyethylene component is attached to the tibial baseplate. Note that there are models where the polyethylene is cemented directly to the tibial bone.<\/p>\n<p>\n<strong>Suites<\/strong><br \/>\nPost-operative care is designed with a focus on rapid and safe rehabilitation. We recommend early, progressive mobilization and a return to walking the day after surgery. The exercises taught by our physiotherapists aim to quickly restore the patient&#039;s ability to walk independently and maintain good balance, and to prevent complications such as reduced range of motion.<\/p>\n<p>\nThe use of canes is reserved for the recovery of a harmonious and limp-free gait, which generally takes between four and six weeks.<br \/>\nThe scar will be checked on the second postoperative day, on the fifteenth day, the threads or staples will be removed when the skin suture is not absorbable.<\/p>\n<\/p><\/div>\n<div id=\"menu11_anchor\"><\/div>\n<div id=\"menu11_trigger\" class=\"section\">\n<h3>\n            Frequently Asked Questions<br \/>\n          <\/h3>\n<p>\n<strong>What can we expect from this operation?<\/strong><br \/>\nThis is a minimally invasive surgery, following which the incidence of &quot;forgotten knee&quot; is high. Most patients resume their daily lives and sports activities.<\/p>\n<p>\n<strong>Long-term results<\/strong><br \/>\nProsthesis survival of 88 to 97% at 10 years.<\/p>\n<p>\n<strong>How long does the operation take?<\/strong><br \/>\nApproximately 1 hour 30 minutes to 2 hours<\/p>\n<p>\n<strong>What is the prosthesis made of?<\/strong><br \/>\nDifferent materials can be used depending on the type of implant. The contact surfaces are generally made of chromium\/cobalt\/molybdenum on metallic implants. The intermediate component is polyethylene. In uncemented implants, the contact surface between the metallic implant and the bone is made of porous titanium, usually coated with hydroxyapatite, a substance used for its osteoinductive effect.<\/p>\n<p>\n<strong>Will I set off the alarms when going through airports?<\/strong><br \/>\nDepending on the sensitivity of the detectors. As it is a metallic implant, it is detectable at the airport gate and we will provide you with an implant carrier card for this purpose.<\/p>\n<p>\n<strong>Do I need to take antibiotics when I go to the dentist?<\/strong><br \/>\nAntibiotic prophylaxis may sometimes be recommended during extensive dental cleanings or in cases of dental abscesses. For other treatments, the need for antibiotic prophylaxis should be assessed on a case-by-case basis.<\/p>\n<p>\n<strong>When will I be able to start playing sports again?<\/strong><br \/>\nResuming sports activities should be gradual. Activities such as Nordic walking, cross-country skiing, or brisk walking can be resumed from the 6th week; skiing, tennis, or golf can be resumed after three months. Activities like running are not recommended.<\/p>\n<p>\n<strong>When can I start driving?<\/strong><br \/>\nDriving is permitted in an automatic car from the 10th day after surgery if the left knee was operated on. For a manual car, a waiting period of 3 weeks is required for the left knee. For the right knee, it is at the end of the 6th week. However, driving is only permitted once there is excellent control of the lower limb, allowing the driver to brake suddenly if necessary without hesitation.<\/p>\n<p>\n<strong>How long should I keep the rods?<\/strong><br \/>\nIt is important to regain a smooth, limp-free gait with a symmetrical step and good lumbar-pelvic alignment. To achieve this, you should continue using crutches until you are able to walk normally, which typically takes 4 to 7 weeks.<\/p>\n<p>\n<strong>How long does a prosthesis last?<\/strong><br \/>\nCurrently, if we refer to orthopedic medical literature, the duration of implants far exceeds 20 or even 30 years (implant survival rate of more than 95% at 15 years).<\/p>\n<p>\n<strong>When will I be able to take a shower?<\/strong><br \/>\nGenerally from the 3rd postoperative day.\n          <\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/section>\n<p><!--\n\n<section class=\"grey\">\n\n\n<div class=\"container\">\n  \n\n<div class=\"row p-tb-150\">\n    \n\n<div class=\"col-xs-12\">\n      \n\n    \n\n<h2 class=\"center barre\">\n      En savoir plus en vid\u00e9os\n    <\/h2>\n\n\n    {loadmodule mod_minitekwall,Affichage genou maladie videos}\n         <\/div>\n\n\n  <\/div>\n\n\n  <\/div>\n\n\n<\/section>\n\n--><\/p>\n<section class=\"savoir-plus\">\n<div class=\"container\">\n<div class=\"row p-t-150\">\n<h2 class=\"center barre\">\n      Contact one of our specialists<br \/> on the subject<br \/>\n    <\/h2>\n<p>    {loadmodule mod_minitekwall,Display knee doctors disease sheet}\n  <\/p><\/div>\n<\/p><\/div>\n<\/section>","protected":false},"excerpt":{"rendered":"<p>Menu Introduction La chirurgie Questions fr\u00e9quentes Introduction But de l\u2019op\u00e9ration Comme pour une proth\u00e8se totale de genou, nous cherchons \u00e0 remplacer un cartilage malade par des surfaces de glissement artificielles. Dans certains cas, l&#8217;arthrose ne touche qu&#8217;un compartiment du genou, les autres \u00e9tant parfaitement sains. Il est alors possible de ne remplacer que la partie [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":12652,"parent":0,"menu_order":3,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[268],"tags":[],"class_list":["post-12653","page","type-page","status-publish","has-post-thumbnail","hentry","category-joomla"],"acf":[],"_links":{"self":[{"href":"https:\/\/template2.orthopediste-lausanne.ch\/en\/wp-json\/wp\/v2\/pages\/12653","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/template2.orthopediste-lausanne.ch\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/template2.orthopediste-lausanne.ch\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/template2.orthopediste-lausanne.ch\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/template2.orthopediste-lausanne.ch\/en\/wp-json\/wp\/v2\/comments?post=12653"}],"version-history":[{"count":0,"href":"https:\/\/template2.orthopediste-lausanne.ch\/en\/wp-json\/wp\/v2\/pages\/12653\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/template2.orthopediste-lausanne.ch\/en\/wp-json\/wp\/v2\/media\/12652"}],"wp:attachment":[{"href":"https:\/\/template2.orthopediste-lausanne.ch\/en\/wp-json\/wp\/v2\/media?parent=12653"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/template2.orthopediste-lausanne.ch\/en\/wp-json\/wp\/v2\/categories?post=12653"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/template2.orthopediste-lausanne.ch\/en\/wp-json\/wp\/v2\/tags?post=12653"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}