Latitud total hip replacement system in younger and older patients: a comprehensive multi-center assessment of clinical and functional outcomes

Kunal Aneja; Ponnanna Karineravanda Machaiah; Ravi Teja Rudraraju; Supreet Bajwa; Nitesh Tandiya; Shakir Kapadia; Narendra Parmar; Ashish Singh; Yogesh Chaudhari; Rashid Hasan; Vinod  Arora; Shubh Mehrotra; Shailendra Patil; Ashokkumar Thakkar; Udita Chandra

doi:10.18203/issn.2455-4510.IntJResOrthop20253416

Authors

Kunal Aneja Department of Orthopaedics, Max Super Speciality Hospital, Shalimar Bagh, New Delhi, India; Naveda Healthcare Centres, Delhi, India
Ponnanna Karineravanda Machaiah Department of Orthopaedics, Sparsh Hospital, Yeshwanthpur, Bengaluru, Karnataka, India https://orcid.org/0000-0002-9093-9892
Ravi Teja Rudraraju Department of Orthopaedics, Apollo Hospitals, Hyderabad, Telangana, India; Department of Orthopaedics, SVS Medical College, Mahbubnagar, Telangana, India https://orcid.org/0000-0003-0749-9636
Supreet Bajwa Department of Orthopaedics, Wockhardt Hospitals, Mumbai Central, India https://orcid.org/0000-0003-2325-7653
Nitesh Tandiya Department of Orthopaedics, Barod Hospital, Indore, Madhya Pradesh, India
Shakir Kapadia Department of Orthopaedics, Saifee Hospital, Mumbai, Maharashtra, India
Narendra Parmar Department of Orthopaedics, Yashfeen Hospital, Navsari, Gujarat, India
Ashish Singh Department of Orthopaedics, Anup Institute of Orthopaedic and Rehabilitation, Patna, Bihar, India
Yogesh Chaudhari Department of Orthopaedics, Ashoka Medicover Hospital, Nashik, Maharashtra, India; Wockhardt Hospital, Nashik, Maharashtra, India
Rashid Hasan Department of Orthopaedics, Bombay Hospital, Indore, Madhya Pradesh, India
Vinod Arora Department of Orthopaedics, Medi-Square Hospital & Research Centre, Indore, Madhya Pradesh, India
Shubh Mehrotra Department of Orthopaedics, Lovee Shubh Clinic Pvt. Ltd., Lucknow, Uttar Pradesh, India
Shailendra Patil Department of Orthopaedics, Currae Hospital, Thane, Maharashtra, India
Ashokkumar Thakkar Department of Orthopaedics, Currae Hospital, Thane, Maharashtra, India
Udita Chandra Department of Clinical Research and Medical Writing, Meril Life Sciences Pvt. Ltd., Vapi, Gujarat, India

DOI:

https://doi.org/10.18203/issn.2455-4510.IntJResOrthop20253416

Keywords:

Avascular necrosis, Functional outcomes, Implant survivorship, Latitud total hip replacement system, Osteoarthritis

Abstract

Background: Total hip arthroplasty (THA) is a standard treatment for end-stage hip disease. With rising demand across age groups, evaluating implant performance in younger and older patients is important. The Latitud total hip replacement system (HRS) is a novel implant,with no data on its safety and performance in younger patinets. Hence, We aimed to evaluate safety and functional outcomes of the Latitud HRS in younger (≤40 years) and older (>40 years) patients undergoing unilateral or bilateral THA.

Methods: This prospective multicenter study across 11 Indian centers enrolled 192 patients undergoing primary THA with the Latitud HRS, followed for 2 years. Primary outcomes were implant survivorship and revision rates; secondary outcomes were clinical improvement using Harris Hip Score (HHS), Oxford Hip Score (OHS), and adverse events.

Results: Of 192 patients, 67 were ≤40 years (55 unilateral, 12 bilateral) and 125 were >40 years (119 unilateral, 6 bilateral). Avascular necrosis predominated in younger patients, while osteoarthritis dominated older cases. At 2 years, OHS improved significantly in all groups: younger (unilateral 10.18±3.39 to 43.76±4.8; bilateral 8.75±2.83 to 43.08±4.01) and older (unilateral 8.06±4.67 to 43.69±4.68; bilateral 10.83±0.98 to 44.67±5.82). HHS also increased substantially: younger (unilateral 23.58±8.55 to 84.9±9.79; bilateral 19.71±10.93 to 89.4±5.07) and older (unilateral 18.16±12.13 to 86.38±7.89; bilateral 27.09±4.77 to 90). Implant survivorship was 100% in all except older unilateral (99.15%) due to one liner breakage.

Conclusion: The Latitud HRS demonstrated excellent survivorship and functional recovery across both age groups, supporting its safety and durability in Indian patients, including younger adults with high functional demands.

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