Introduction

Hip repair surgery plays a crucial role in helping people regain mobility and improve their quality of life, especially those suffering from trauma, arthritis, or age-related joint wear. Two common surgical options are hemiarthroplasty and total hip replacement. While both are well-established, they differ in their approach and suitability for various patients.

Hemiarthroplasty replaces part of the hip joint, whereas total hip replacement substitutes both the ball (femoral head) and socket (acetabulum). In this article, we’ll explore the pros and cons of each, guided by insights from orthopaedic expert Professor Paul Lee and the MSK Doctors team, who specialise in personalised, patient-centred care.

What Is Hemiarthroplasty? When Is It Used and What Should Patients Expect?

Hemiarthroplasty is often recommended for older patients with specific hip fractures, particularly displaced fractures within the joint capsule. The surgery replaces the ball of the hip joint but leaves the socket intact. Sometimes, a bipolar prosthesis is used, allowing a bit more movement.

This technique usually suits patients who have other health issues or lower activity levels, as it’s a less extensive operation than total hip replacement. Recovery typically involves gentle physiotherapy to rebuild strength and mobility.

Research shows that "hemiarthroplasty patients tend to be older (average 82.2 years) with higher health risks and mortality within a year compared to total hip replacement patients" (Solomon et al., 2025). Post-surgery, patients should follow hip precautions—avoiding certain movements like crossing their legs or bending the hip beyond 90 degrees—to reduce the chance of complications.

Trustworthy rehabilitation, often guided by NHS recommendations, plays a key role in helping patients safely regain independence.

Total Hip Replacement: When Is It the Better Option and What Does Recovery Look Like?

Total hip replacement (THR) offers a more comprehensive solution, replacing both the ball and socket of the hip joint. It’s generally preferred for those with severe arthritis, extensive joint damage, or for more active individuals needing robust, long-term joint function.

THR involves a longer operation and more intensive recovery but can provide greater pain relief and improved function. Rehabilitation typically progresses week by week—from supported walking within days to more independent mobility over weeks or months.

Interestingly, studies indicate that “patients who had total hip replacements were more likely to return home after surgery (65%) compared to those with hemiarthroplasty (39%),” highlighting better early recovery outcomes (Solomon et al., 2025). For patients with moderate health risks, THR has been linked to lower mortality and better discharge destinations.

Physiotherapy remains central—restoring joint movement, strengthening muscles, and encouraging safe movement patterns. It’s important for patients to engage fully with their rehab, while being mindful of necessary precautions to minimise dislocation risk.

Comparing Outcomes: What Does the Evidence Say About Risks and Quality of Life?

Both surgeries come with benefits and drawbacks. Total hip replacement tends to offer better pain relief and return to activity but carries a slightly greater risk of hip dislocation and other complications.

Hemiarthroplasty usually means fewer dislocations and a shorter surgery time, yet it may lead to lower long-term function and sometimes requires revision surgery down the line.

One study summarised it well: “Total hip replacement generally has higher success rates, better early recovery, and lower need for revision surgery. Hemiarthroplasty offers greater stability and lower dislocation rates but may need revision and has slightly lower function outcomes” (Aljizani et al., 2018).

Further research supports that "in patients with moderate health risk scores, THR was linked with significantly lower one-year mortality (3.4% vs. 29.6%) and more frequent discharge home" (Solomon et al., 2025), affirming its benefits in selected cases.

Throughout, diagnostic monitoring such as X-rays guides surgeons and therapists in ensuring surgical success and recovery progress.

Professor Paul Lee’s extensive clinical experience, combined with the supportive care environment at MSK Doctors, ensures patients receive tailored treatment with realistic expectations—geared towards the best possible outcomes.

Making the Right Choice: How Patients and Care Teams Decide Together

Selecting between hemiarthroplasty and total hip replacement depends on multiple factors: age, activity levels, overall health, and personal preferences. Healthcare teams—including surgeons, physiotherapists, and specialists like Professor Lee—work closely with patients and their families to make informed decisions.

Encouragingly, the Nottingham Hip Fracture Score (NHFS) helps introduce objectivity in this choice. Research suggests, “NHFS may complement NICE guidelines in identifying patients most likely to benefit from total hip replacement versus hemiarthroplasty” (Solomon et al., 2025). This evidence-based approach supports tailored care.

A multidisciplinary team approach, clear patient education, and ongoing support are vital to ensure patients understand their options and navigate recovery confidently.

Ultimately, personalised medical advice from qualified professionals remains essential to determine the best pathway for each individual.

For specific medical advice regarding hip surgery, please consult a qualified healthcare professional.

References

• Ashraf Abd El Galil, Allam, A. K., Risk, A. S., & Shoulah, S. (2023). Conversion of failed hip hemiarthroplasty to Total hip replacement. Benha Journal of Applied Sciences, 8(11), 29-35. https://doi.org/10.21608/bjas.2023.244005.1272
• Aljizani, A., Baawad, F., Almaghrabi, A., Alshehri, A., Alhawash, A., Alzahrani, J., Almashni, R. A., Aljabri, N., Assiri, A. S., & Alzaibak, A. (2018). Total hip replacement versus hemiarthroplasty in intracapsular fracture of the elderly. International Journal of Community Medicine and Public Health, 5(7), 2606. https://doi.org/10.18203/2394-6040.ijcmph20182398
• Solomon, D., Maunders, R. E., Adair, A., & James, A. (2025). Can the Nottingham Hip Fracture Score Predict Total Hip Replacement Versus Hemiarthroplasty Candidates? Cureus. https://doi.org/10.7759/cureus.94334