Dataset Information

The association between continuity of care and surgery in lumbar disc herniation patients.

ABSTRACT: Continuity of care is a core dimension of high-quality care in the management of disease. The purpose of this study was to investigate the association between continuity of care and lumbar surgery in patients with moderate disc herniation. The Korean National Sample Cohort was used. The target population consisted of patients who have had disc herniation more than 6 months and didn't get surgery and red flag signs within 6 months from onset. The population was enrolled from 2004 to 2013. The Bice-Boxerman Continuity of Care was used in measuring continuity of care. The marginal structural model with time dependent survival analysis was used. In total, 29,061 patients were enrolled in the cohort. High level of continuity of care was associated with a lower risk of lumbar surgery (HR, 0.27; 95% CI, 0.20-0.27). When the index was calculated only with outpatient visits to primary care with related specialty, the HR was 0.49 (95% CI: 0.43-0.57). In exploratory analysis, patients with lumbar stenosis and spondylolisthesis had higher risk of having a low level of continuity of care. These results indicate that continuity of care is associated with lower rates of lumbar surgery in patients with moderate disc herniation.

SUBMITTER: Kim ES

PROVIDER: S-EPMC7946938 | biostudies-literature | 2021 Mar

REPOSITORIES: biostudies-literature

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The association between continuity of care and surgery in lumbar disc herniation patients.

Kim Eun-San ES Kim Chang-Yup CY

Scientific reports 20210310 1

Continuity of care is a core dimension of high-quality care in the management of disease. The purpose of this study was to investigate the association between continuity of care and lumbar surgery in patients with moderate disc herniation. The Korean National Sample Cohort was used. The target population consisted of patients who have had disc herniation more than 6 months and didn't get surgery and red flag signs within 6 months from onset. The population was enrolled from 2004 to 2013. The Bic ...[more]

PMID: 33692399

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Project description:BackgroundPainful lumbar radiculopathy is a neuropathic pain condition, commonly attributed to nerve root inflammation/compression by disc herniation. The present exploratory study searched for associations between pain intensity and inflammatory markers, herniated disc size, infection, psychological factors and pain modulation in patients with confirmed painful lumbar radiculopathy scheduled for spine surgery.MethodsPrior to surgery, 53 patients underwent the following evaluation: pain intensity measured on a 0-10 numeric rating scale (NRS) and the Short-Form McGill Pain Questionnaire; sensory testing (modified DFNS protocol); pain processing including temporal summation and conditioned pain modulation (CPM); neurological examination; psychological assessment including Spielberger's Anxiety Inventory, Pain Sensitivity Questionnaire and the Pain Catastrophizing Scale. Pro-inflammatory cytokine levels (IL-1b, IL-6, IL-8, IL-17, TNFα, IFNg) and microbial infection (ELISA and rt-PCR) in blood and disc samples obtained during surgery. MRI scans assessments for disc herniation size/volume (MSU classification/ three-dimensional volumetric analysis).ResultsComplete data were available from 40 (75%) patients (15 female) aged 44.8 ± 16.3 years. Pain intensity (NRS) positively correlated with pain catastrophizing and CPM (r = 0.437, p = 0.006; r = 0.421, p = 0.007; respectively), but not with disc/blood cytokine levels, bacterial infection or MRI measures. CPM (p = 0.001) and gender (p = 0.029) were associated with average pain intensity (adjusted R2 = 0.443).ConclusionsThis exploratory study suggests that pain catastrophizing, CPM and gender, seem to contribute to pain intensity in patients with painful lumbar radiculopathy. The role of mechanical compression and inflammation in determining the intensity of painful radiculopathy remains obscure.Significance of studyPain catastrophizing, CPM and gender rather than objective measures of inflammation and imaging seem to contribute to pain in patients with painful radiculopathy.

Project description:BackgroundProlonged sciatica symptoms may result in disability and consequently, absence from work for a longer period. Up to 10% of patients may need surgery but it is difficult to predict and determine which of these patients would improve spontaneously in comparison to those who might benefit from discectomy surgery. We aimed to determine if delay in the "time to surgery" (TTS) has any adverse effects on the patient reported outcome measures (PROMs).MethodsEighty-seven patients after exclusions were selected consecutively. PROMs were comprised of pre-operative, six weeks and six months post-operative back and leg pain visual analogue scores (VAS) and Oswestry disability index (ODI). The differences between these scores were correlated with TTS. Minimal clinically important difference (MCID) of 30% improvement for ODI scores and 33% for VAS scores from baseline were considered as significant improvement. Patients were grouped into TTS less than 6 months and TTS greater than 6 months from referral to TTS. The longest TTS was 18 months. Statistical analysis was done using JASP (Version 0.14.0) [computer software].ResultsThe TTS was on average 22.5 weeks. MCID for the leg pain VAS was achieved in 90.2% patients with TTS <6 months and in 80.8% with TTS ≥6 months. The MCID for ODI was achieved in 60.7% with TTS <6 months and in 42.0% with TTS ≥6 months. The MCID for back pain VAS was achieved in 73.8% with TTS <6 months and in 50.0% of patients with TTS ≥6 months. Those who achieved the MCID in ODI score between the two groups were analysed using chi-square test with P=0.115. Those who achieved the MCID in VAS leg pain score between the two groups were analysed using chi-square test with P=0.227. No statistical difference was found in ODI and VAS for leg for patients with TTS before or after 6 months.ConclusionsLumbar discectomies had a positive impact on patient's pain and function in our local district hospital. Delayed surgery of ≥6 months did not cause statistically significant worse outcomes. In the absence of worsening neurological deficit, it may be the wrong approach to define a value for the TTS.

Dataset Information

The association between continuity of care and surgery in lumbar disc herniation patients.

Publications

The association between continuity of care and surgery in lumbar disc herniation patients.

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