Hydroxyapatite femoral stems for total hip arthroplasty 10- to 13-year followup

James A. D'Antonio, William Capello, Michael T. Manley, Rudolph Geesink

Research output: Contribution to journalArticle

106 Citations (Scopus)

Abstract

Three hundred eighty hydroxyapatite-coated titanium alloy stems were implanted in a young and active patient population from 1987 through 1990. Within the population, 274 patients (314 hips) had a minimum 10-year and maximum 13-year followup. The average age of the population was 51 years. Thirty-seven percent of the population was 50 years or younger when operated on (average age, 39 years). Osteoarthritis was seen in 63.7% and avascular necrosis in 16.6% of patients. Fifty-four percent of patients were men. Clinically, these patients had early pain relief and rapid restoration of function. The Harris hip score averaged 92 points, and only 1.6% of patients had mild or moderate activity-related thigh pain. Radio graphically, progressive remodeling occurred around the implants, 100% were bone stable, and no patient had endosteal distal osteolysis. Two patients had revision surgery for aseptic loosening: One at 2 years postoperative because of a nonunion of a concomitant subtrochanteric osteotomy and one at 9.5 years postoperative because of polyethylene wear and progressive osteolysis. The mechanical failure rate was 0.5%. The results show excellent lasting fixation of this tapered titanium alloy stem coated proximally with a thin, dense layer of hydroxyapatite. The stem has performed well in a young, active, high-risk population and in the hands of various surgeons.

Original languageEnglish
Pages (from-to)101-111
Number of pages11
JournalClinical Orthopaedics and Related Research
Issue number393
StatePublished - 2001

Fingerprint

Durapatite
Thigh
Arthroplasty
Hip
Osteolysis
Population
Pain
Polyethylene
Osteotomy
Titanium
Radio
Reoperation
Osteoarthritis
Necrosis
Bone and Bones

ASJC Scopus subject areas

  • Surgery
  • Orthopedics and Sports Medicine

Cite this

Hydroxyapatite femoral stems for total hip arthroplasty 10- to 13-year followup. / D'Antonio, James A.; Capello, William; Manley, Michael T.; Geesink, Rudolph.

In: Clinical Orthopaedics and Related Research, No. 393, 2001, p. 101-111.

Research output: Contribution to journalArticle

D'Antonio, James A. ; Capello, William ; Manley, Michael T. ; Geesink, Rudolph. / Hydroxyapatite femoral stems for total hip arthroplasty 10- to 13-year followup. In: Clinical Orthopaedics and Related Research. 2001 ; No. 393. pp. 101-111.
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