Efficacy analysis of short and mid-term effects of total and unicompartmental knee arthroplasties in treating single compartmental osteoarthritis of knee

doi:10.3877/cma.j.issn.1674-134X.2019.04.020

Abstract

Abstract:

Objective

To investigate the short and mid-term effect of total knee arthroplasty (TKA) and unicompartmental knee arthroplasty (UKA) in treating single compartmental osteoarthritis of knee joint.

Methods

A retrospective study was conducted on the data of patients with osteoarthritis of knee single compartment treated in Kaiping Central Hospital from March 2013 to March 2015. Analysis was conducted on the cases of single compartmental osteoarthritis, patients with psychosocial or systemic lesions, or previous surgical history were excluded. Independent sample t test were used to analyze the pre- and post-operative Visual analogue score (VAS), Hospital of Special Surgery (HSS)score, the Western Ontario and McMaster Universities arthritis index(WOMAC), forgotten joint score(FJS) and range of knee joint motion.

Results

Twelve patients were finally recruited in the TKA group and UKA group, respectively. The postoperative indicators gradually improved compared with preoperative results in both groups, but the difference between the results of both groups at last follow-up were not significant(P>0.05). Joint forgetting score of UKA group (60.3±2.0) was significantly better than those of TKA group(58.1±3.8) at one year after surgery (t= 9.059, P <0.01). However, there was no statistically significant difference between the two groups at three years after surgery (t=2.02, P >0.05).

Conclusion

Both UKA and TKA could relieve the patients’ symptoms and improve knee function in the treatment of single compartmental knee joint osteoarthritis, and the mid-term curative effects are basically identical.

Key words: Arthroplasty, Knee, Osteoarthritis, Therapeutics

Zhenke Li, Guangzhi Kuang, Huajie Feng, Zhuopeng Wu. Efficacy analysis of short and mid-term effects of total and unicompartmental knee arthroplasties in treating single compartmental osteoarthritis of knee[J]. Chinese Journal of Joint Surgery(Electronic Edition), 2019, 13(04): 503-508.

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References 19

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分组	例数	年龄[岁，(±s)]	身高[cm，(±s)]	BMI[kg/m²，(±s)]	性别(男/女)	VAS[分，(±s)]	KSS[分，(±s)]	WOMAC[分，(±s)]	ROM[°，(±s)]
UKA组	12	67.7±4.5	163.8±6.8	28.2±1.9	9/3	7.5±1.0	51.1±6.9	67.3±4.9	94.2±11.3
TKA组	12	69.3±4.4	161.1±5.6	27.4±1.7	4/8	7.4±0.9	52.2±7.1	68.2±4.9	93.8±8.8
统计值	?	t＝0.915	t＝1.078	t＝1.136	χ²＝0.202	t＝0.215	t＝0.379	t＝0.415	t＝0.101
P值	?	>0.05	>0.05	>0.05	>0.05	>0.05	>0.05	>0.05	>0.05

分组	例数	年龄[岁，(±s)]	身高[cm，(±s)]	BMI[kg/m²，(±s)]	性别(男/女)	VAS[分，(±s)]	KSS[分，(±s)]	WOMAC[分，(±s)]	ROM[°，(±s)]
UKA组	12	67.7±4.5	163.8±6.8	28.2±1.9	9/3	7.5±1.0	51.1±6.9	67.3±4.9	94.2±11.3
TKA组	12	69.3±4.4	161.1±5.6	27.4±1.7	4/8	7.4±0.9	52.2±7.1	68.2±4.9	93.8±8.8
统计值	?	t＝0.915	t＝1.078	t＝1.136	χ²＝0.202	t＝0.215	t＝0.379	t＝0.415	t＝0.101
P值	?	>0.05	>0.05	>0.05	>0.05	>0.05	>0.05	>0.05	>0.05

分组	例数	术中出血量(ml)	手术时长(min)	术后总引流量(ml)	住院时间(d)
UKA组	12	132.9±14.1	66.3±7.9	203.3±14.0	10.0±2.4
TKA组	12	234.2±10.2	82.7±6.2	320.6±19.3	14.9±3.6
t值	?	20.205	5.639	17.028	2.136
P值	?	<0.01	<0.01	<0.01	<0.05

分组	例数	术中出血量(ml)	手术时长(min)	术后总引流量(ml)	住院时间(d)
UKA组	12	132.9±14.1	66.3±7.9	203.3±14.0	10.0±2.4
TKA组	12	234.2±10.2	82.7±6.2	320.6±19.3	14.9±3.6
t值	?	20.205	5.639	17.028	2.136
P值	?	<0.01	<0.01	<0.01	<0.05

分组	例数	术后1月	术后6月	术后1年	术后3年
UKA组	12	3.9±1.3	2.3±0.9	1.9±0.7	1.7±0.6
TKA组	12	5.8±1.2	3.2±1.3	2.5±0.8	1.7±0.6
t值	?	－3.745	－1.866	－1.941	0.321
P值	?	<0.01	>0.05	>0.05	>0.05

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