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Ramírez-Paesano C, Juanola Galceran A, Rodiera Clarens C, Gilete García V, Oliver Abadal B, Vilchez Cobo V, Ros Nebot B, Julián González S, Cao López L, Santaliestra Fierro J, Rodiera Olivé J. Opioid-free anesthesia for patients with joint hypermobility syndrome undergoing craneo-cervical fixation: a case-series study focused on anti-hyperalgesic approach. Orphanet J Rare Dis 2021; 16:172. [PMID: 33849631 PMCID: PMC8045305 DOI: 10.1186/s13023-021-01795-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Accepted: 03/30/2021] [Indexed: 12/31/2022] Open
Abstract
Background Patients with Ehlers-Danlos Syndrome/Hypermobility Type (EDS-HT/JHS) and Craneo-Cervical Instability frequently suffer from severe widespread pain which is difficult to control. Chronic neuroinflammation, opioid-induced hyperalgesia, and central sensitization may explain this painful condition. The aim of this study was to determine if opioid-free anesthesia plus the postoperative administration of lidocaine, ketamine and dexmedetomidine can reduce postoperative pain and the need of methadone rescues in comparison with opioid-based management in these patients undergoing Craneo-Cervical Fixation (CCF). The secondary aim was to assess the needs of opioids at hospital-discharge, incidence of gastrointestinal complications and the requirement of anxiolytic. Methods A retrospective, consecutive case series study was designed. 42 patients with EDS-HT/JHS undergoing CCF were enrolled in two groups: an OFA-plus Group that received opioid-free anesthesia with propofol, lidocaine, ketamine and dexmedetomidine, and OP Group, opioid-based anesthesia-analgesia. The main variables: Preoperative Visual Analogue Score (VAS), postoperative VAS on the 1st, 2nd, 4th and 6th days, sufentanil or morphine requirements, need for methadone rescue, and VAS at hospital-discharge. Data was presented by mean ± SD, percentage, median or interquartile range. Chi-squared or Fisher’s test. 95% C.I and P values < 0.05. Results Nineteen patients in OFA-plus, and 23 patients in OP group. VAS was lower in OFA-plus on the postoperative days evaluated (p < 0.001).VAS at hospital-discharge was lower in OFA-plus: 4.96 (4.54–5.37) vs. OP 6.39 (6.07–6.71) (p < 0.001). Methadone requirement was lower in the OFA-plus (p < 0.001). 78% of patients in OFA-plus didn’t need methadone rescue. 95% in OP group needed methadone rescues at high doses(> 15 mg/day). No differences regarding equivalent doses of sufentanil or morphine consumption on the 2nd, 4th, and 6th postoperative days were found. OFA-plus decreased ileus, nausea and vomiting (p < 0.001). 60.9% in OFA-plus group decreased opioid requirements at hospital-discharge compared with preoperative values. A 77% reduction of anxiolytics requirements was shown. Conclusion OFA-plus management for patients undergoing CCF with EDS-HT/JHS shows significant reduction in postoperative pain and at hospital-discharge compared with opioid-based anesthesia. OFA-plus management decreases the total doses of methadone rescues, reduces anxiolytic requirements and gastrointestinal side-effects, except for constipation. OFA-plus management is a feasible option to improve postoperative pain control, reducing the opioids’ use and their postoperative side-effects in patients undergoing CCF with EDS-HT/JHS.
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Affiliation(s)
- Carlos Ramírez-Paesano
- Servei Central D'Anestesiología (Anestalia), Centro Médico Teknon, Carrer Vilana 12, 08022, Barcelona, Spain.
| | - Albert Juanola Galceran
- Servei Central D'Anestesiología (Anestalia), Centro Médico Teknon, Carrer Vilana 12, 08022, Barcelona, Spain
| | - Claudia Rodiera Clarens
- Hospital Universitari Dexeus, Grupo Quironsalud, Carrer Sabino Arana, 5, 19, 08028, Barcelona, Spain
| | - Vicenҫ Gilete García
- Centro Médico Teknon, Grupo Quironsalud, Carrer Vilana 12, 08022, Barcelona, Spain
| | | | - Verónica Vilchez Cobo
- Postoperative Pain Management Team of Servei Central D'Anestesiología (Anestalia), Centro Médico Teknon, Grupo Quironsalud, Carrer Vilana 12, 08022, Barcelona, Spain
| | - Bibiana Ros Nebot
- Postoperative Pain Management Team of Servei Central D'Anestesiología (Anestalia), Centro Médico Teknon, Grupo Quironsalud, Carrer Vilana 12, 08022, Barcelona, Spain
| | - Sara Julián González
- Servei Central D'Anestesiología (Anestalia), Centro Médico Teknon, Carrer Vilana 12, 08022, Barcelona, Spain
| | - Lucía Cao López
- Postoperative Pain Management Team of Servei Central D'Anestesiología (Anestalia), Centro Médico Teknon, Grupo Quironsalud, Carrer Vilana 12, 08022, Barcelona, Spain
| | - Jesús Santaliestra Fierro
- Servei Central D'Anestesiología (Anestalia), Centro Médico Teknon, Carrer Vilana 12, 08022, Barcelona, Spain
| | - Josep Rodiera Olivé
- Servei Central D'Anestesiología (Anestalia), Centro Médico Teknon, Carrer Vilana 12, 08022, Barcelona, Spain
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Kvålseth TO. An Alternative Interpretation of the Linearly Weighted Kappa Coefficients for Ordinal Data. PSYCHOMETRIKA 2018; 83:10.1007/s11336-018-9621-1. [PMID: 29766350 DOI: 10.1007/s11336-018-9621-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/21/2016] [Revised: 03/07/2018] [Indexed: 06/08/2023]
Abstract
When two (or more) observers are independently categorizing a set of observations, Cohen's kappa has become the most notable measure of interobserver agreement. When the categories are ordinal, a weighted form of kappa becomes desirable. The two most popular weighting schemes are the quadratic weights and linear weights. Quadratic weights have been justified by the fact that the corresponding weighted kappa is asymptotically equivalent to an intraclass correlation coefficient. This paper deals with linear weights and shows that the corresponding weighted kappa is equivalent to the unweighted kappa when cumulative probabilities are substituted for probabilities. A numerical example is provided.
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Affiliation(s)
- Tarald O Kvålseth
- Departments of Mechanical Engineering and Industrial and Systems Engineering, University of Minnesota, Minneapolis, MN, 55455, USA.
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Li P. A Note on the Linearly and Quadratically Weighted Kappa Coefficients. PSYCHOMETRIKA 2016; 81:795-801. [PMID: 27246436 DOI: 10.1007/s11336-016-9501-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2014] [Indexed: 06/05/2023]
Abstract
The linearly and quadratically weighted kappa coefficients are popular statistics in measuring inter-rater agreement on an ordinal scale. It has been recently demonstrated that the linearly weighted kappa is a weighted average of the kappa coefficients of the embedded 2 by 2 agreement matrices, while the quadratically weighted kappa is insensitive to the agreement matrices that are row or column reflection symmetric. A rank-one matrix decomposition approach to the weighting schemes is presented in this note such that these phenomena can be demonstrated in a concise manner.
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Affiliation(s)
- Pingke Li
- Department of Industrial Engineering, Tsinghua University, Beijing, 100084, China.
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Vanbelle S. A New Interpretation of the Weighted Kappa Coefficients. PSYCHOMETRIKA 2016; 81:399-410. [PMID: 25516203 DOI: 10.1007/s11336-014-9439-4] [Citation(s) in RCA: 60] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2014] [Indexed: 05/28/2023]
Abstract
Reliability and agreement studies are of paramount importance. They do contribute to the quality of studies by providing information about the amount of error inherent to any diagnosis, score or measurement. Guidelines for reporting reliability and agreement studies were recently provided. While the use of the kappa-like family is advised for categorical and ordinal scales, no further guideline in the choice of a weighting scheme is given. In the present paper, a new simple and practical interpretation of the linear- and quadratic-weighted kappa coefficients is given. This will help researchers in motivating their choice of a weighting scheme.
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Affiliation(s)
- Sophie Vanbelle
- Department of Methodology & Statistics, CAPHRI School for Public Health and Primary Care, Maastricht University, P.O. Box 616, 6200 MD, Maastricht, The Netherlands.
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Fixed-Effects Modeling of Cohen's Weighted Kappa for Bivariate Multinomial Data: A Perspective of Generalized Inverse. JOURNAL OF PROBABILITY AND STATISTICS 2011. [DOI: 10.1155/2011/603856] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Cohen's kappa and weighted kappa statistics are the conventional methods used frequently in measuring agreement for categorical responses. In this paper, through the perspective of a generalized inverse, we propose an alternative general framework of the fixed-effects modeling of Cohen's weighted kappa, proposed by Yang and Chinchilli (2011). Properties of the proposed method are provided. Small sample performance is investigated through bootstrap simulation studies, which demonstrate good performance of the proposed method. When there are only two categories, the proposed method reduces to Cohen's kappa.
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