Total hip arthroplasty, combined with a reinforcement ring and posterior column plating for acetabular fractures in elderly patients: good outcome in 34 patients

Figures & data

Figure 1. Fracture patterns according to Letournel classification.

Table 1. Patient demographics. Values are mean (range) unless otherwise specified

		Primary operative strategy
Characteristic	Total	THA + ORIF	ORIF only	p-value
Number	59	34	25
Age	70 (56–92)	71 (56–92)	69 (58–83)	0.2
Follow-up, years	2.6 (0–9)	1.4 (0–6)	4.2 (0–9)	0.01
BMI	26 (15–42)	25 (15–42)	26 (20–36)	0.2
Women, n	17	10	7	0.4
Estimated blood loss, L	1.2 (0.4–2.7)	1.1 (0.4–2.7)	1.4 (0.3–3.7)	0.4
Operating time, min	190 (97–321)	169 (97–310)	218 (120–321)	0.01
Stem, n				0.01
Cementless	22	13	9
Cemented	21	13
Acetabular component, n				0.01
Cemented	3	3	0
Cemented constrained	34	31	3
Cementless	6	0	6
Heart disease, n	14	8	6	0.6
Neurologic disease, n	10	7	3	0.3
Alcohol abuse, n	6	5	1	0.2
Diabetes, n	13	7	6	0.5
Trauma, n				0.5
Falling from the same level	45	25	20
Fall from high	3	2	1
Motor vehicle accident	6	5	1
Biking	5	2	3
Complications, n				0.01
Secondary OA leading to THA		–	9
Dislocation		1	–
Periprosthetic fracture		1	–
Infection		0	1
CCI, median	5	5	4	0.1

THA: total hip arthroplasty; ORIF: open reduction and internal fixation;

BMI: body mass index; OA: osteoarthritis; CCI: Charlson Comorbidity Index

Figure 4. Implant survival stratified by surgical group.

Table 2. Comparison of patients treated with acute THA + ORIF and those treated by ORIF alone followed by secondary THA due to posttraumatic OA. Values are median (range) unless otherwise specified

	Acute THA + ORIF	ORIF with secondary THA	Mean difference	p-value
Number	34	9
Age	70 (56–87)	65 (58–74)	3	0.1
Follow-up, months	15 (1–82)	72 (15–113)	3	0.0
BMI	23 (15–42)	28 (21–33)	1	0.4
Women, n	10	3		1
Estimated blood loss, L	1.1 (0.4–2.7)	1.1 (0.700–2.0)	60	0.8
Operating time, min	169 (97–310)	143 (100–269)	26	0.2
Oxford Hip Score at 12 months	41 (33–46)	42 (6–48)	2	0.3
Trauma, n				0.4
Falling from the same level	25	6
Fall from high	2	–
Motor vehicle accident	5	1
Biking, n	2	2
Complications, n				0.2
Infection	–	2
Dislocation	1	–
Periprosthetic fracture	1	–

For abbreviations, see Table 1.