The Clinically Important Difference and Patient Acceptable Symptomatic State for Commonly Used Patient-Reported Outcomes After Knee Cartilage Repair

Chahal, Jaskarndip; Lansdown, Drew A.; Davey, Annabelle; Davis, Aileen M.; Cole, Brian J.

doi:10.1177/0363546520969883

Cited by 45 publications

(42 citation statements)

References 18 publications

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“…The KOOS Symptom subscale was not used due to lack of reliability in UKA patients [22]. The PASS threshold value for the Lysholm score is reported as 70 [2].…”

Section: Clinical Assessment With Patient Acceptable Symptom State/ O...mentioning

confidence: 99%

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The Lawrence D. Dorr Surgical Techniques & Technologies Award: Patient Acceptable Symptom State (PASS) in Medial and Lateral Unicompartmental Knee Arthroplasty: Does the Status of the ACL Impact Outcomes?

Plancher

Briggs²,

Brite

et al. 2022

The Journal of Arthroplasty

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“…The KOOS Symptom subscale was not used due to lack of reliability in UKA patients [22]. The PASS threshold value for the Lysholm score is reported as 70 [2].…”

Section: Clinical Assessment With Patient Acceptable Symptom State/ O...mentioning

confidence: 99%

“…P-value for comparisons of proportions of patients meeting PASS between ACL-deficient and ACL-intact groups. b PASS was defined as KOOS Pain ¼ 87; KOOS ADL ¼ 87.5; KOOS Sport ¼ 43.8; KOOS Quality of Life ¼ 66[3]; Lysholm ¼ 70.3[2].…”

mentioning

confidence: 99%

The Lawrence D. Dorr Surgical Techniques & Technologies Award: Patient Acceptable Symptom State (PASS) in Medial and Lateral Unicompartmental Knee Arthroplasty: Does the Status of the ACL Impact Outcomes?

Plancher

Briggs²,

Brite

et al. 2022

The Journal of Arthroplasty

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“…T H E J O U R N A L O F B O N E & JOINT SURGERY d J B J S . O R G VOLUME 104-A d NUMBER 18 d S E P T E M B E R21, 2022 …”

mentioning

confidence: 99%

Isolated Lateral Tibiofemoral Compartment Osteoarthritis

Plancher

Chinnakkannu

Dotterweich

et al. 2022

Journal of Bone and Joint Surgery

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Background: Lateral unicompartmental knee arthroplasty (UKA) is an excellent option to alleviate disability and restore function in patients with lateral compartment knee osteoarthritis (OA). The purpose of the present study was to determine the survivorship and long-term outcomes in both younger/middle-aged and older patients with lateral compartment OA following non-robotically-assisted, fixed-bearing lateral UKA and to determine if an acceptable symptom state can be achieved.Methods: All patients were managed with fixed-bearing lateral UKA by a single surgeon utilizing a lateral parapatellar approach without robotic assistance. The primary outcome variables were the Knee injury and Osteoarthritis Outcome Score (KOOS) Activities of Daily Living (ADL) and Sport subscale scores. In addition, the other KOOS subscores, the Lysholm score, the achievement of the Patient Acceptable Symptom State (PASS), and the Veterans RAND (VR-12) Physical Component Summary score (PCS) and Mental Component Summary score (MCS) were collected. Failure was defined as conversion to total knee arthroplasty (TKA). Patients were divided into 2 cohorts: younger/middle-aged patients (<60 years of age) and older patients ( ‡60 years of age).Results: A cohort of 256 patients underwent medial (n = 193) or lateral (n = 63) UKA. Sixty-one patients met the inclusion criteria. At mean of 10 years (range, 4 to 17 years) of follow-up, there were no significant differences between the groups in terms of any patient-reported outcome measures (p > 0.05). The percentage of patients in whom PASS was achieved on the KOOS ADL and Sport subscores was 82% and 88%, respectively, in the younger cohort and 80% and 80%, respectively, in the older cohort. The mean survival estimate of the prothesis was 15.3 years (95% confidence interval [CI], 14.5 to 16.2 years) for the entire cohort. The estimated rate of implant survival in the younger cohort was 100% at 5 and 10 years, and the estimated rate of implant survival in the older cohort was 98% at 5 years and 96% at 10 years.Conclusions: Lateral fixed-bearing, non-robotic UKA for the treatment of isolated lateral compartment OA resulted in >80% of patients reaching an acceptable symptom state in terms of both activities of daily living and sporting activities. UKA provides an excellent option that provides longevity with high PASS rates and return to activities with a low risk of complications and failure.Level of Evidence: Therapeutic Level III. See Instructions for Authors for a complete description of levels of evidence. K nee osteoarthritis (OA) is estimated to afflict 15 million individuals in the U.S., with 8.6 million having advanced symptomatic knee OA pain 1 . Persons <45 years of age make up nearly 2 million of this total, and persons between 45 and 64 years of age make up 6 million 1 . Fifty percent of these patients are known to have disease pathology that is isolated to a single, predominantly medial, compartment 2 . Lateral compartment OA, while seen in a smaller percentage of the population, is often ...

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“… 6 However, for patients who had undergone cartilage restoration procedures, the PASS threshold of the IKDC-SKF was 62.1. 4 The current study found that the PASS threshold of the Thai version of the IKDC-SKF for patients with ACLR was marginally lower than that of the original IKDC-SKF (74.2 vs 75.9, respectively). 15 With a cutoff of 75.9, the sensitivity decreased from 0.72 to 0.67, but the specificity was maintained at 0.82.…”

Section: Discussionmentioning

confidence: 50%

Cutoff Value for the Patient Acceptable Symptom State of the Thai IKDC Subjective Knee Form in Patients After Primary ACL Reconstruction

Piamthipmanas

Lertwanich

Ganokroj

et al. 2022

Orthopaedic Journal of Sports Medicine

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Background: The Patient Acceptable Symptom State (PASS) cutoff is the value on a patient-reported outcome measure beyond which patients consider themselves to be “feeling well.” There are limited data regarding the PASS threshold for non-English versions of the International Knee Documentation Committee–Subjective Knee Form (IKDC-SKF). Purpose: To establish the PASS cutoff for the Thai version of the IKDC-SKF for patients undergoing primary anterior cruciate ligament reconstruction (ACLR) and to identify factors to achieve PASS after surgery. Study Design: Cohort study (diagnosis); Level of evidence, 3. Methods: Included in this study were patients aged 18 to 50 years who had undergone primary unilateral ACLR between January 2016 and February 2020. After enrollment, patients completed the Thai IKDC-SKF and answered the anchor question for determining the PASS. Results: Questionnaires were sent to 321 patients, of whom 173 (53.9%) responded. The vast majority (156 patients; 90.2%) considered themselves to have achieved the PASS. This group of patients had significantly higher IKDC scores than did those who did not have an acceptable symptom state (79.6 ± 14.2 vs 60.7 ± 16.5; P < .001). The receiver operating characteristic curve of the IKDC score for predicting the PASS had an area under the curve of 0.82 (95% CI, 0.72-0.91). The optimum PASS cutoff of the Thai IKDC-SKF was a score of 74.2 (sensitivity, 0.72; specificity, 0.82). Factors that provided favorable odds for achieving the PASS were the use of a hamstring tendon autograft (odds ratio, 4.1; 95% CI, 1.5-20.6) and the absence of a patellofemoral chondral lesion (odds ratio, 3.8; 95% CI, 1.03-14.1). Conclusion: For patients undergoing ACLR, the cutoff for the PASS of the Thai version of the IKDC-SKF was a score of 74.2. Two surgery-related factors provided favorable odds for achieving the PASS: the use of a hamstring tendon autograft and the absence of a patellofemoral chondral lesion.

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The Clinically Important Difference and Patient Acceptable Symptomatic State for Commonly Used Patient-Reported Outcomes After Knee Cartilage Repair

Cited by 45 publications

References 18 publications

The Lawrence D. Dorr Surgical Techniques & Technologies Award: Patient Acceptable Symptom State (PASS) in Medial and Lateral Unicompartmental Knee Arthroplasty: Does the Status of the ACL Impact Outcomes?

The Lawrence D. Dorr Surgical Techniques & Technologies Award: Patient Acceptable Symptom State (PASS) in Medial and Lateral Unicompartmental Knee Arthroplasty: Does the Status of the ACL Impact Outcomes?

Isolated Lateral Tibiofemoral Compartment Osteoarthritis

Cutoff Value for the Patient Acceptable Symptom State of the Thai IKDC Subjective Knee Form in Patients After Primary ACL Reconstruction

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