<p>The purpose of the study was based on scientific literature to describe the quality of life of persons who have undergone a total hip replacement. The method was a descriptive literature review. The results showed that pain was the most obvious change after surgery. Mild pain before surgery was strongly associated with mild pain after surgery. But despite less pain were experienced early, it took 1 year to achieve the full benefits of improved physical function. It was found that there were no age-related differences in pain, physical function and quality of life. Patients regardless of ages showed improvements in pain, function and stiffness. Several studies revealed that the discomfort in the back, lower limb or back pain was a problem for patients after surgery and was associated with worse functional status after surgery. Back pain was also important in planning rehabilitation. The medical factors that were associated with worse functional status were obese, two or more chronic diseases and two or more common geriatric problems. The results also indicated a clear correlation between preoperative criteria and good performance of health-related quality of life after total hip replacement. Total hip replacement was cost-effective interventions that improve quality of life of patients. Quality of life was sustained 5 years after surgery the majority of patients.</p><p>Keyword: Quality of life, hip replacement, physical function and pain.</p>

The purpose of the study was based on scientific literature to describe the quality of life of persons who have undergone a total hip replacement. The method was a descriptive literature review. The results showed that pain was the most obvious change after surgery. Mild pain before surgery was strongly associated with mild pain after surgery. But despite less pain were experienced early, it took 1 year to achieve the full benefits of improved physical function. It was found that there were no age-related differences in pain, physical function and quality of life. Patients regardless of ages showed improvements in pain, function and stiffness. Several studies revealed that the discomfort in the back, lower limb or back pain was a problem for patients after surgery and was associated with worse functional status after surgery. Back pain was also important in planning rehabilitation. The medical factors that were associated with worse functional status were obese, two or more chronic diseases and two or more common geriatric problems. The results also indicated a clear correlation between preoperative criteria and good performance of health-related quality of life after total hip replacement. Total hip replacement was cost-effective interventions that improve quality of life of patients. Quality of life was sustained 5 years after surgery the majority of patients. Keyword: Quality of life, hip replacement, physical function and pain.

Hip osteoarthritis is a common disease associated with everyday pain and limited mobility. This causes a change in gait characteristics during walking, which tends to give a lower energy efficiency than normal. For patients with hip osteoarthritis, hip arthroplasty is considered a last option due to the related risks of a surgery. To investigate whether the patients show signs of improvement after the surgery, through an energy efficiency standpoint, data have been collected through a gait analysis. In this study, gait analysis was performed on a healthy reference group to obtain reference data. Data from the patient group, which consisted of patients with hip osteoarthritis pre- and post surgery using total hip arthroplasty, THA, was given by Karolinska Institutet. To determine if THA is an appropriate action, data from the patients were compared to the reference data. By performing and collecting data through a gait analysis on a healthy reference group and on patients with hip osteoarthritis pre- and post surgery using total hip arthroplasty, THA, this study has investigated whether the patients show signs of improvement after the surgery and also if the patients differentiate from the reference group through an energy efficiency standpoint. This is used to determine whether THA is an appropriate action.  The study showed a difference in energy efficiency pre- and post surgery. An obvious improvement after THA was shown in most of the patients (p = 0,0094). However, 36 % showed in at least one case, decreased- or an unchanged value in energy efficiency. Although, through an average standpoint only two patients showed decreased efficiency, but the patients after THA only reached an energy efficiency that was approximately half the efficiency of the reference group. The results in this study indicates that further studies are necessary. Considerable alternatives to THA, especially surface hip arthroplasty, SRA, as well as parameters such as pain and mobility should be examined with respect to energy efficiency. Until then, hip arthroplasty should still be considered a last option for patients. / Höftartros är en vanligt förekommande sjukdom som ger daglig smärta och begränsar den fysiska förmågan. Detta leder till en förändrad gångstil vid gång och följaktligen en lägre energieffektivitet än normalt. För höftartrospatienter ses en höftledsplastik som en sista åtgärd på grund av dess möjliga komplikationer. För att undersöka huruvida patienter visar en förbättring efter operation, gällande återhämtning i energieffektivitet, har datainsamling via gånganalys utförts. I denna studie samlades data in från en frisk referensgrupp. Insamlade data från höftartrospatienter före- och efter total höftledsplastik, THA, har erhållits från Karolinska Institutet. För att avgöra om THA är en lämplig åtgärd jämfördes patientdata med referensgruppens data. Studien visade att det är skillnad före- gentemot efter operation där en tydlig förbättring i energieffektivitet uppträdde efter operation hos majoriteten av patienterna (p = 0,0094). 36 % av patienterna indikerar dock minst ett fall utan förbättring efter operation, men vid medelvärden av förändringen för varje patient visar endast två på försämring efter. Patienter efter THA nådde endast upp till drygt hälften av referensgruppens effektivitet, sett ur ett medelvärdesperspektiv. Utifrån resultaten föreslås det att vidare studier genomförs. Alternativa operationsmetoder, i synnerhet ytersättningsplastik, SRA, samt fler parametrar så som smärta och rörlighet, bör undersökas med avseende på energieffektivitet vid gång. Tills dess bör THA fortsatt ses som en sista utväg för patienter.

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