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Melkonian SC, Jim MA, Reza A, Peipins LA, Haverkamp D, Said N, Sharpe JD. Incidence of Stomach, Liver, and Colorectal Cancers by Geography and Social Vulnerability Among American Indian and Alaska Native Populations, 2010-2019. Am J Epidemiol 2024; 193:58-74. [PMID: 37823258 PMCID: PMC10990004 DOI: 10.1093/aje/kwad194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 07/12/2023] [Accepted: 10/05/2023] [Indexed: 10/13/2023] Open
Abstract
Social determinants of health and associated systems, policies, and practices are important drivers of health disparities. American Indian and Alaska Native (AI/AN) populations in the United States have elevated incidence rates of stomach, liver, and colorectal cancers compared with other racial/ethnic groups. In this study, we examined incidence rates of 3 types of gastrointestinal cancer among non-Hispanic AI/AN (NH-AI/AN) and non-Hispanic White (NHW) populations by geographic region and Social Vulnerability Index (SVI) score. Incident cases diagnosed during 2010-2019 were identified from population-based cancer registries linked with the Indian Health Service patient registration databases. Age-adjusted incidence rates (per 100,000 population) for stomach, liver, and colorectal cancers were compared within NH-AI/AN populations and between the NH-AI/AN and NHW populations by SVI score. Rates were higher among NH-AI/AN populations in moderate- and high-SVI-score counties in Alaska, the Southern Plains, and the East than in low-SVI counties. Incidence rates among NH-AI/AN populations were elevated when compared with NHW populations by SVI category. Results indicated that higher social vulnerability may drive elevated cancer incidence among NH-AI/AN populations. Additionally, disparities between NH-AI/AN and NHW populations persist even when accounting for SVI. Exploring social vulnerability can aid in designing more effective interventions to address root causes of cancer disparities among AI/AN populations.
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Affiliation(s)
- Stephanie C. Melkonian
- Division of Cancer Prevention and Control, Centers for Disease Control and Prevention, Albuquerque, New Mexico, United States (Stephanie C. Melkonian, Melissa A. Jim, Donald Haverkamp); Division of Cancer Prevention and Control, Centers for Disease Control and Prevention, Atlanta, Georgia, United States (Avid Reza, Lucy A. Peipins); University of Chicago, Chicago, Illinois, United States (Nathania Said); and Geospatial Research, Analysis, and Services Program, Agency for Toxic Substances and Disease Registry, Atlanta, Georgia, United States (J. Danielle Sharpe)
| | - Melissa A. Jim
- Division of Cancer Prevention and Control, Centers for Disease Control and Prevention, Albuquerque, New Mexico, United States (Stephanie C. Melkonian, Melissa A. Jim, Donald Haverkamp); Division of Cancer Prevention and Control, Centers for Disease Control and Prevention, Atlanta, Georgia, United States (Avid Reza, Lucy A. Peipins); University of Chicago, Chicago, Illinois, United States (Nathania Said); and Geospatial Research, Analysis, and Services Program, Agency for Toxic Substances and Disease Registry, Atlanta, Georgia, United States (J. Danielle Sharpe)
| | - Avid Reza
- Division of Cancer Prevention and Control, Centers for Disease Control and Prevention, Albuquerque, New Mexico, United States (Stephanie C. Melkonian, Melissa A. Jim, Donald Haverkamp); Division of Cancer Prevention and Control, Centers for Disease Control and Prevention, Atlanta, Georgia, United States (Avid Reza, Lucy A. Peipins); University of Chicago, Chicago, Illinois, United States (Nathania Said); and Geospatial Research, Analysis, and Services Program, Agency for Toxic Substances and Disease Registry, Atlanta, Georgia, United States (J. Danielle Sharpe)
| | - Lucy A. Peipins
- Division of Cancer Prevention and Control, Centers for Disease Control and Prevention, Albuquerque, New Mexico, United States (Stephanie C. Melkonian, Melissa A. Jim, Donald Haverkamp); Division of Cancer Prevention and Control, Centers for Disease Control and Prevention, Atlanta, Georgia, United States (Avid Reza, Lucy A. Peipins); University of Chicago, Chicago, Illinois, United States (Nathania Said); and Geospatial Research, Analysis, and Services Program, Agency for Toxic Substances and Disease Registry, Atlanta, Georgia, United States (J. Danielle Sharpe)
| | - Donald Haverkamp
- Division of Cancer Prevention and Control, Centers for Disease Control and Prevention, Albuquerque, New Mexico, United States (Stephanie C. Melkonian, Melissa A. Jim, Donald Haverkamp); Division of Cancer Prevention and Control, Centers for Disease Control and Prevention, Atlanta, Georgia, United States (Avid Reza, Lucy A. Peipins); University of Chicago, Chicago, Illinois, United States (Nathania Said); and Geospatial Research, Analysis, and Services Program, Agency for Toxic Substances and Disease Registry, Atlanta, Georgia, United States (J. Danielle Sharpe)
| | - Nathania Said
- Division of Cancer Prevention and Control, Centers for Disease Control and Prevention, Albuquerque, New Mexico, United States (Stephanie C. Melkonian, Melissa A. Jim, Donald Haverkamp); Division of Cancer Prevention and Control, Centers for Disease Control and Prevention, Atlanta, Georgia, United States (Avid Reza, Lucy A. Peipins); University of Chicago, Chicago, Illinois, United States (Nathania Said); and Geospatial Research, Analysis, and Services Program, Agency for Toxic Substances and Disease Registry, Atlanta, Georgia, United States (J. Danielle Sharpe)
| | - J. Danielle Sharpe
- Division of Cancer Prevention and Control, Centers for Disease Control and Prevention, Albuquerque, New Mexico, United States (Stephanie C. Melkonian, Melissa A. Jim, Donald Haverkamp); Division of Cancer Prevention and Control, Centers for Disease Control and Prevention, Atlanta, Georgia, United States (Avid Reza, Lucy A. Peipins); University of Chicago, Chicago, Illinois, United States (Nathania Said); and Geospatial Research, Analysis, and Services Program, Agency for Toxic Substances and Disease Registry, Atlanta, Georgia, United States (J. Danielle Sharpe)
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Haverkamp D, Redwood D, Roik E, Vindigni S, Thomas T. Elevated colorectal cancer incidence among American Indian/Alaska Native persons in Alaska compared to other populations worldwide. Int J Circumpolar Health 2023; 82:2184749. [PMID: 36867106 PMCID: PMC9987760 DOI: 10.1080/22423982.2023.2184749] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Accepted: 02/22/2023] [Indexed: 03/04/2023] Open
Abstract
Colorectal cancer (CRC) is a leading cancer worldwide; incidence varies greatly by country and racial group. We compared 2018 American Indian/Alaska Native (AI/AN) CRC incidence rates in Alaska to other Tribal, racial, and international population rates. AI/AN persons in Alaska had the highest CRC incidence rate among US Tribal and racial groups (61.9/100,000 in 2018). AI/AN persons in Alaska also had higher rates than those reported for any other country in the world in 2018 except for Hungary, where males had a higher CRC incidence rate than AI/AN males in Alaska (70.6/100,000 and 63.6/100,000 respectively). This review of CRC incidence rates from populations in the United States and worldwide showed that AI/AN persons in Alaska had the highest documented incidence rate of CRC in the world in 2018. It is important to inform health systems serving AI/AN persons in Alaska about policies and interventions that can support CRC screening to reduce the burden of this disease.
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Affiliation(s)
- Donald Haverkamp
- Epidemiologist, Centers for Disease Control and Prevention Albuquerque, NM, USA
| | - Diana Redwood
- Program Manager, Alaska Native Tribal Health Consortium, Anchorage, AK, USA
| | - Elena Roik
- Program Director, Alaska Native Tribal Health Consortium, Anchorage, AK, USA
| | - Stephen Vindigni
- Gastroenterologist, Alaska Native Tribal Health Consortium, Anchorage, AK, USA
- Department of Gastroenterology, University of Washington, Seattle, WA, USA
| | - Timothy Thomas
- Research Services Director, Alaska Native Tribal Health Consortium, Anchorage, AK, USA
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Melkonian SC, Chen L, Jim MA, Haverkamp D, King JB. Disparities in incidence and trends of colorectal, lung, female breast, and cervical cancers among non-Hispanic American Indian and Alaska Native people, 1999-2018. Cancer Causes Control 2023; 34:657-670. [PMID: 37126144 PMCID: PMC10951714 DOI: 10.1007/s10552-023-01705-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Accepted: 04/17/2023] [Indexed: 05/02/2023]
Abstract
PURPOSE This study is the first to comprehensively describe incidence rates and trends of screening-amenable cancers (colorectal, lung, female breast, and cervical) among non-Hispanic AI/AN (NH-AI/AN) people. METHODS Using the United States Cancer Statistics AI/AN Incidence Analytic Database, we, calculated incidence rates for colorectal, lung, female breast, and cervical cancers for NH-AI/AN and non-Hispanic White (NHW) people for the years 2014-2018 combined. We calculated age-adjusted incidence rates (per 100,000), total percent change in incidence rates between 1999 and 2018, and trends over this time-period using Joinpoint analysis. Screening prevalence by region was calculated using Behavioral Risk Factor Surveillance System data. RESULTS Rates of screening-amenable cancers among NH-AI/AN people varied by geographic region and age at diagnosis. Over half of all lung and colorectal cancers in NH-AI/AN people were diagnosed at later stages. Rates of lung and colorectal cancers decreased significantly between 1999-2018 among NH-AI/AN men, but no significant changes were observed in rates of screening-amenable cancers among NH-AI/AN women. CONCLUSION This study highlights disparities in screening-amenable cancers between NH-AI/AN and NHW people. Culturally informed, community-based interventions that increase access to preventive health services could reduce cancer disparities among AI/AN people.
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Affiliation(s)
- Stephanie C Melkonian
- Division of Cancer Prevention and Control, Centers for Disease Control and Prevention, 500 Gold Ave SW, 9th Floor, Suite 9222, Albuquerque, New Mexico 87102, USA.
| | | | - Melissa A Jim
- Division of Cancer Prevention and Control, Centers for Disease Control and Prevention, 500 Gold Ave SW, 9th Floor, Suite 9222, Albuquerque, New Mexico 87102, USA
| | - Donald Haverkamp
- Division of Cancer Prevention and Control, Centers for Disease Control and Prevention, 500 Gold Ave SW, 9th Floor, Suite 9222, Albuquerque, New Mexico 87102, USA
| | - Jessica B King
- Division of Cancer Prevention and Control, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
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van Zaanen Y, Kievit AJ, van Geenen RCI, Pahlplatz TMJ, Hoozemans MJM, Blankevoort L, Schafroth MU, Haverkamp D, Vervest TMJS, Das DHPW, Scholtes VA, van der Beek AJ, Kuijer PPFM. Does Consulting an Occupational Medicine Specialist Decrease Time to Return to Work Among Total Knee Arthroplasty Patients? A 12-Month Prospective Multicenter Cohort Study. J Occup Rehabil 2023; 33:267-276. [PMID: 36083360 PMCID: PMC10172284 DOI: 10.1007/s10926-022-10068-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 08/17/2022] [Indexed: 05/12/2023]
Abstract
PURPOSE The aim of this study is to investigate whether total knee arthroplasty (TKA) patients who consulted an occupational medicine specialist (OMS) within 3 months after surgery, return to work (RTW) earlier than patients who did not consult an OMS. METHODS A multi-center prospective cohort study was performed among working TKA patients, aged 18 to 65 years and intending to RTW. Time to RTW was analyzed using Kaplan Meier and Mann Whitney U (MWU), and multiple linear regression analysis was used to adjust for effect modification and confounding. RESULTS One hundred and eighty-two (182) patients were included with a median age of 59 years [IQR 54-62], including 95 women (52%). Patients who consulted an OMS were less often self-employed but did not differ on other patient and work-related characteristics. TKA patients who consulted an OMS returned to work later than those who did not (median 78 versus 62 days, MWU p < 0.01). The effect of consulting an OMS on time to RTW was modified by patients' expectations in linear regression analysis (p = 0.05). A median decrease in time of 24 days was found in TKA patients with preoperative high expectations not consulting an OMS (p = 0.03), not in patients with low expectations. CONCLUSIONS Consulting an OMS within 3 months after surgery did not result in a decrease in time to RTW in TKA patients. TKA patients with high expectations did RTW earlier without consulting an OMS. Intervention studies on how OMSs can positively influence a timely RTW, incorporating patients' preoperative expectations, are needed.
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Affiliation(s)
- Y van Zaanen
- Department of Public and Occupational Health, Amsterdam Public Health Research Institute, Amsterdam Movement Sciences, Amsterdam UMC, University of Amsterdam, Location AMC, Meibergdreef 9, 1105 AZ, Amsterdam, Netherlands.
| | - A J Kievit
- Orthopaedic Research Center Amsterdam, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | - R C I van Geenen
- Department of Orthopaedic Surgery, Amphia Hospital, Breda, Netherlands
| | - T M J Pahlplatz
- Orthopaedic Research Center Amsterdam, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | - M J M Hoozemans
- Department of Human Movement Sciences, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
| | - L Blankevoort
- Orthopaedic Research Center Amsterdam, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | - M U Schafroth
- Orthopaedic Research Center Amsterdam, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | | | - T M J S Vervest
- Department of Orthopaedic Surgery, Tergooi Hospital, Hilversum, Netherlands
| | - D H P W Das
- Department and Research Center of Orthopaedic Surgery, St. Anna Hospital, Geldrop, Netherlands
| | - V A Scholtes
- Joint Research Orthopedic Surgery, OLVG+, Amsterdam, Netherlands
| | - A J van der Beek
- Department of Public and Occupational Health, Amsterdam Public Health Research Institute, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
| | - P P F M Kuijer
- Department of Public and Occupational Health, Amsterdam Public Health Research Institute, Amsterdam Movement Sciences, Amsterdam UMC, University of Amsterdam, Location AMC, Meibergdreef 9, 1105 AZ, Amsterdam, Netherlands
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Melkonian SC, Chen L, Jim MA, Haverkamp D, King JB. Correction: Disparities in incidence and trends of colorectal, lung, female breast, and cervical cancers among non-Hispanic American Indian and Alaska Native people, 1999-2018. Cancer Causes Control 2023:10.1007/s10552-023-01715-w. [PMID: 37202565 DOI: 10.1007/s10552-023-01715-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Affiliation(s)
- Stephanie C Melkonian
- Division of Cancer Prevention and Control, Centers for Disease Control and Prevention, 500 Gold Ave SW, 9th Floor, Suite 9222, Albuquerque, New Mexico, 87102, USA.
| | | | - Melissa A Jim
- Division of Cancer Prevention and Control, Centers for Disease Control and Prevention, 500 Gold Ave SW, 9th Floor, Suite 9222, Albuquerque, New Mexico, 87102, USA
| | - Donald Haverkamp
- Division of Cancer Prevention and Control, Centers for Disease Control and Prevention, 500 Gold Ave SW, 9th Floor, Suite 9222, Albuquerque, New Mexico, 87102, USA
| | - Jessica B King
- Division of Cancer Prevention and Control, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
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Emans P, Skaliczki G, Haverkamp D, Bentin J, Chausson M, Schifflers M, Portelange N. KiOmedine® CM-Chitosan is Effective for Treating Advanced Symptomatic Knee Osteoarthritis up to Six Months Following a Single Intra-Articular Injection: A Post-Hoc Analysis of APROOVE Clinical Study. Open Rheumatol J 2023. [DOI: 10.2174/18743129-v16-e220206-2022-19] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
Background
Symptomatic knee osteoarthritis (OA) is typically treated with hyaluronan-based intra-articular injections. Advanced knee OA patients are often unresponsive to hyaluronan. KiOmedine® Carboxymethyl-Chitosan (CM-Chitosan), a novel fluid implant, was safe and effective for treating symptomatic knee OA.
Objective
To describe the efficacy of a single injection of KiOmedine® CM-Chitosan in advanced knee OA.
Methods
Patients with advanced knee OA enrolled in the APROOVE trial and treated with KiOmedine® CM-Chitosan were identified: subgroup-1, BMI >30 kg/m2 and/or Kellgren Lawrence (KL) grade III (n=39), and subgroup-2, BMI >30 kg/m2 and KL-grade III (n=8). Within-group analyses were performed using the WOMAC scores, and OMERACT-OARSI responder criteria at 3 and 6 months.
Results
In both subgroups, significant improvements in all WOMAC scores were observed at 3 and 6 months (p<0.001 for all comparisons). A high responder rate was observed at 3 and 6 months in subgroup-1 (63.2% and 65.8%), and in subgroup-2 (57.1% and 62.5%).
Conclusions
This post hoc analysis of the APROOVE trial showed that a single intra-articular injection with KiOmedine® CM-Chitosan could be an effective therapeutic option for patients with advanced knee OA.
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van der Plaat LW, Hoornenborg D, Sierevelt IN, van Dijk CN, Haverkamp D. Corrigendum to "Ten-year revision rates of contemporary total ankle arthroplasties equal 22 %. A meta-analysis" [Foot Ankle Surg. 28(5) (2022) 543-549]. Foot Ankle Surg 2023; 29:177. [PMID: 36273964 DOI: 10.1016/j.fas.2022.10.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Accepted: 10/08/2022] [Indexed: 02/04/2023]
Affiliation(s)
- L W van der Plaat
- Department of Orthopedics and Traumatology, St.-Antonius-Hospital, Kleve, Albersallee 5-7, 47533 Kleve, Germany.
| | - D Hoornenborg
- Department of Orthopedics, Xpert Orthopedics and Specialized Centre of Orthopedic Research and Education (SCORE), Laarderhoogtweg 12, 1101 EA Amsterdam, the Netherlands
| | - I N Sierevelt
- Department of Orthopedics, Xpert Orthopedics and Specialized Centre of Orthopedic Research and Education (SCORE), Laarderhoogtweg 12, 1101 EA Amsterdam, the Netherlands
| | - C N van Dijk
- Department of Orthopedics, Amsterdam University Medical Center, Meibergdreef 9, 1105 AZ Amsterdam, the Netherlands
| | - D Haverkamp
- Department of Orthopedics, Xpert Orthopedics and Specialized Centre of Orthopedic Research and Education (SCORE), Laarderhoogtweg 12, 1101 EA Amsterdam, the Netherlands
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Emans P, Skaliczki G, Haverkamp D, Bentin J, Chausson M, Schifflers M, Hermitte L, Douette P. First-in-human Study to Evaluate a Single Injection of KiOmedine®CM-Chitosan for Treating Symptomatic Knee Osteoarthritis. Open Rheumatol J 2022. [DOI: 10.2174/18743129-v16-e2206100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Background:
Single-injection viscosupplementation is currently performed with cross-linked hyaluronan (e.g., Durolane®) for treating symptomatic knee osteoarthritis.
Objective:
This first-in-human study evaluated the safety and performance of single-injection treatment with non-crosslinked KiOmedine®CM-Chitosan.
Methods:
Patients with painful knee osteoarthritis were randomly assigned to the KiOmedine®CM-Chitosan (n=63) or Durolane® (n=32) group. Patients were blinded to treatment and followed up for 26 weeks. Durolane® was used as scientific control to ensure the validity of the study and reliability of results. No direct comparison was performed between the two groups. The primary objective was defined as an intra-group effect size of 0.8 at 13 weeks post-injection compared to baseline on WOMAC-A (pain). Secondary outcomes included self-reported knee stiffness and knee function, responder rate, quality-of-life questionnaires, and safety.
Results:
The primary objective for both the KiOmedine®CM-Chitosan and the Durolane® groups was met: mean pain reduction of 62.5% (effect size 2.08) for the KiOmedine®CM-Chitosan group and 62.4% (effect size 2.28) for the Durolane® group. Secondary performance outcomes showed all clinically relevant treatment effects over 26 weeks for both groups (p<0.05). Treatment-related adverse events were more often reported in the KiOmedine®CM-Chitosan than Durolane® group and were limited to local reactions. No serious treatment-related adverse events were reported.
Conclusion:
A single intra-articular injection of non-crosslinked KiOmedine®CM-Chitosan is safe and effective for treating symptomatic knee osteoarthritis with a high responder rate. Pain reduction is maintained for 6 months with a high responder rate.
The clinical trial registration number: NCT03679208.
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Melkonian SC, Jim MA, Pete D, Poel A, Dominguez AE, Echo-Hawk A, Zhang S, Wilson RJ, Haverkamp D, Petras L, Pohlenz A. Cancer disparities among non-Hispanic urban American Indian and Alaska Native populations in the United States, 1999-2017. Cancer 2022; 128:1626-1636. [PMID: 35119703 PMCID: PMC10929659 DOI: 10.1002/cncr.34122] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 12/21/2021] [Accepted: 12/30/2021] [Indexed: 11/11/2022]
Abstract
BACKGROUND Disparities in cancer incidence have not been described for urban American Indian/Alaska Native (AI/AN) populations. The purpose of the present study was to examine incidence rates (2008-2017) and trends (1999-2017) for leading cancers in urban non-Hispanic AI/AN (NH AI/AN) compared to non-Hispanic White (NHW) populations living in the same urban areas. METHODS Incident cases from population-based cancer registries were linked with the Indian Health Service patient registration database for improved racial classification of NH AI/AN populations. This study was limited to counties in Urban Indian Health Organization service areas. Analyses were conducted by geographic region. Age-adjusted rates (per 100,000) and trends (joinpoint regression) were calculated for leading cancers. RESULTS Rates of colorectal, liver, and kidney cancers were higher overall for urban NH AI/AN compared to urban NHW populations. By region, rates of these cancers were 10% to nearly 4 times higher in NH AI/AN compared to NHW populations. Rates for breast, prostate, and lung cancer were lower in urban NH AI/AN compared to urban NHW populations. Incidence rates for kidney, liver, pancreatic, and breast cancers increased from 2% to nearly 7% annually between 1999 to 2017 in urban NH AI/AN populations. CONCLUSIONS This study presents cancer incidence rates and trends for the leading cancers among urban NH AI/AN compared to urban NHW populations for the first time, by region, in the United States. Elevated risk of certain cancers among urban NH AI/AN populations and widening cancer disparities highlight important health inequities and missed opportunities for cancer prevention in this population.
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Affiliation(s)
- Stephanie C. Melkonian
- Division of Cancer Prevention and Control, Centers for Disease Control and Prevention, Albuquerque, New Mexico
| | - Melissa A. Jim
- Division of Cancer Prevention and Control, Centers for Disease Control and Prevention, Albuquerque, New Mexico
| | - Dornell Pete
- Seattle Indian Health Board, Urban Indian Health Institute, Seattle, Washington
| | - Amy Poel
- Seattle Indian Health Board, Urban Indian Health Institute, Seattle, Washington
| | - Adrian E. Dominguez
- Seattle Indian Health Board, Urban Indian Health Institute, Seattle, Washington
| | - Abigail Echo-Hawk
- Seattle Indian Health Board, Urban Indian Health Institute, Seattle, Washington
| | | | - Reda J. Wilson
- Division of Cancer Prevention and Control, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Donald Haverkamp
- Division of Cancer Prevention and Control, Centers for Disease Control and Prevention, Albuquerque, New Mexico
| | - Lindsey Petras
- American Indian Cancer Foundation, Minneapolis, Minnesota
| | - Ashley Pohlenz
- American Indian Cancer Foundation, Minneapolis, Minnesota
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Booij MJ, Harlaar J, Royen BJV, Nolte PA, Haverkamp D, den Noort JCV. Limited knee extension during gait after total knee arthroplasty is related to a low Oxford Knee Score. Knee 2021; 33:176-184. [PMID: 34626888 DOI: 10.1016/j.knee.2021.08.025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 05/24/2021] [Accepted: 08/25/2021] [Indexed: 02/02/2023]
Abstract
BACKGROUND After total knee replacement (TKR) some patients report low self-perceived function, which is clinically measured using patient reported outcome measures (PROMs). However, PROMs, e.g. the Oxford Knee Score (OKS), inherently lack objective parameters of knee function. Biomechanical gait analysis is an objective and reliable measurement to quantitatively assess joint function. Therefore, the aim of this study was to explore the relationship between biomechanical gait parameters and the OKS. METHODS Gait analyses were recorded in 37 patients at least one year after primary TKR and in 24 healthy controls. Parameters from this analysis were calculated for hip, knee and ankle joint angles and joint moments in the sagittal and frontal plane including initial contact, early, late stance and swing. For the patients these parameters were expressed as its difference to control values at matched walking speed. Linear regression analyses were performed between the parameters from gait analysis and the OKS, with speed as covariate. RESULTS The difference in knee extension angle at initial contact and late stance between patients and controls was significantly related to the OKS. Per one degree knee extension difference increase, the OKS reduced with 1.0 to 1.6 points. Overall, patients extended their knee less than controls. Neither ankle and hip gait parameters, nor joint moments showed a relation with OKS. CONCLUSIONS All patients with a submaximal score on the OKS showed limited knee extension during gait, even without a mechanical constraint in knee extension. This could be related to motor control limitations in this patient group.
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Affiliation(s)
- M J Booij
- Amsterdam UMC, Vrije Universiteit Amsterdam, Department of Rehabilitation Medicine, Amsterdam, the Netherlands; Amsterdam Movement Sciences, Amsterdam, the Netherlands.
| | - J Harlaar
- Amsterdam Movement Sciences, Amsterdam, the Netherlands; Delft University of Technology, Department of Biomechanical Engineering, Delft, the Netherlands; Erasmus Medical Center, Department of Orthopaedic Surgery, Rotterdam, the Netherlands
| | - B J van Royen
- Amsterdam Movement Sciences, Amsterdam, the Netherlands; Amsterdam UMC, University of Amsterdam, Department of Orthopaedic Surgery, Amsterdam, the Netherlands
| | - P A Nolte
- Spaarne Gasthuis, Department of Orthopaedic Surgery, Hoofddorp, the Netherlands
| | - D Haverkamp
- Xpert Clinics, Department of Orthopaedic Surgery, Xpert Orthopedie Amsterdam/Specialized Center of Orthopedic Research and Education, Amsterdam, the Netherlands
| | - J C van den Noort
- Amsterdam Movement Sciences, Amsterdam, the Netherlands; Amsterdam UMC, University of Amsterdam, Department of Radiology and Nuclear Medicine, Medical Imaging Quantification Center, Amsterdam, the Netherlands
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Haverkamp D, Melkonian SC, Jim MA. Growing Disparity in the Incidence of Colorectal Cancer among Non-Hispanic American Indian and Alaska Native Populations-United States, 2013-2017. Cancer Epidemiol Biomarkers Prev 2021; 30:1799-1806. [PMID: 34341050 PMCID: PMC8590617 DOI: 10.1158/1055-9965.epi-21-0343] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Revised: 06/11/2021] [Accepted: 07/27/2021] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND American Indian and Alaska Native (AI/AN) populations have experienced regional variation and disparities in colorectal cancer incidence rates. METHODS We examined colorectal cancer incidence (2013-2017) and colorectal cancer incidence trends (1999-2017) among AI/AN persons. Incidence data were linked to Indian Health Service enrollment records, and analyses were restricted to Purchased/Referred Care Delivery Areas. Incidence rates of colorectal cancer among AI/AN and White persons were analyzed in six geographic regions; Hispanic persons were excluded. Incidence trends were analyzed using linear modeling. RESULTS During 2013-2017, colorectal cancer incidence was 41% higher among AI/AN than among White persons. AI/AN incidence rates per 100,000 varied regionally from 34.4 in the East to 96.1 in Alaska. Compared with White persons, AI/AN persons had higher colorectal cancer incidence rates among all age strata and were more likely to have late-stage diagnoses. Incidence rate trends indicated significant increases among both AI/AN and White persons ages <50 years and among AI/AN persons ages 50-64 years. The colorectal cancer incidence rate trend increased among AI/AN persons in the Southwest. CONCLUSIONS The disparity of colorectal cancer incidence rates between AI/AN and White persons has widened since 2005-2009. AI/AN populations have higher colorectal cancer incidence compared with White populations, especially in the Alaska region. IMPACT Our finding of increased colorectal cancer incidence disparities suggests that enhanced screening efforts and culturally appropriate clinical and public health interventions are needed among AI/AN persons overall, and especially in regions and age groups in which colorectal cancer rates are increasing.
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Affiliation(s)
- Donald Haverkamp
- Division of Cancer Prevention and Control, National Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Control and Prevention, Albuquerque, New Mexico.
| | - Stephanie C Melkonian
- Division of Cancer Prevention and Control, National Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Control and Prevention, Albuquerque, New Mexico
| | - Melissa A Jim
- Division of Cancer Prevention and Control, National Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Control and Prevention, Albuquerque, New Mexico
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Melkonian SC, Weir HK, Jim MA, Preikschat B, Haverkamp D, White MC. Incidence of and Trends in the Leading Cancers With Elevated Incidence Among American Indian and Alaska Native Populations, 2012-2016. Am J Epidemiol 2021; 190:528-538. [PMID: 33506248 PMCID: PMC8026484 DOI: 10.1093/aje/kwaa222] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Revised: 10/02/2020] [Accepted: 10/08/2020] [Indexed: 12/12/2022] Open
Abstract
Cancer incidence varies among American Indian and Alaska Native (AI/AN) populations, as well as between AI/AN and White populations. This study examined trends for cancers with elevated incidence among AI/AN compared with non-Hispanic White populations and estimated potentially avoidable incident cases among AI/AN populations. Incident cases diagnosed during 2012-2016 were identified from population-based cancer registries and linked with the Indian Health Service patient registration databases to improve racial classification of AI/AN populations. Age-adjusted rates (per 100,000) and trends were calculated for cancers with elevated incidence among AI/AN compared with non-Hispanic White populations (rate ratio of >1.0) according to region. Trends were estimated using joinpoint regression analyses. Expected cancers were estimated by applying age-specific cancer incidence rates among non-Hispanic White populations to population estimates for AI/AN populations. Excess cancer cases among AI/AN populations were defined as observed minus expected cases. Liver, stomach, kidney, lung, colorectal, and female breast cancers had higher incidence rates among AI/AN populations across most regions. Between 2012 and 2016, nearly 5,200 excess cancers were diagnosed among AI/AN populations, with the largest number of excess cancers (1,925) occurring in the Southern Plains region. Culturally informed efforts could reduce cancer disparities associated with these and other cancers among AI/AN populations.
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13
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van Loon J, Vervest AMJS, van der Vis HM, Sierevelt IN, Baas DC, Opdam KTM, Kerkhoffs GMMJ, Haverkamp D. Ceramic-on-ceramic articulation in press-fit total hip arthroplasty as a potential reason for early failure, what about the survivors: a ten year follow-up. Int Orthop 2021; 45:1447-1454. [PMID: 33459828 PMCID: PMC8178149 DOI: 10.1007/s00264-020-04895-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Accepted: 12/03/2020] [Indexed: 11/29/2022]
Abstract
PURPOSE In press-fit total hip arthroplasty (THA), primary stability is needed to avoid micromotion and hereby aseptic loosening, the main reason for early revision. High aseptic loosening revision rates of the seleXys TH+ cup (Mathys Medical) with Ceramys ceramic-on-ceramic (CoC) bearing are seen in literature. Since CoC is presumed to overcome long-term wear-related revisions, the reason for early failure of this cup is important to clarify. The aim is to investigate its ten year outcomes and differentiate between potential causes and identify risk factors for aseptic loosening. METHODS Retrospective screening of a prospectively documented series of 315 THAs was performed. Primary outcome was cumulative incidence of cup revision due to aseptic loosening. Secondary outcomes were component revision and reoperation. Additionally, potential predictive factors for aseptic loosening were evaluated. RESULTS At the median follow-up of 9.7 years [IQR 4.4; 10.3], 48 TH+ (15.2%) were revised due to aseptic loosening. Competing risk analysis showed a ten year cumulative incidence of cup revision due to aseptic loosening of 15.6% (95% CI 12.0-20.2). Stabilization of early revision rates was observed, following a high rate of respectively 81.3% (n = 39) and 95.8% (n = 46) within the first two and three years. No significant predictive factors for aseptic loosening were found. CONCLUSION The ten year results of seleXys TH+ cup with Ceramys CoC bearing showed an unacceptable high aseptic loosening rate, which stabilized over time after a high early failure incidence. This could be attributed to a problem with osseointegration during the transition of primary to definitive stability.
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Affiliation(s)
- J van Loon
- Department of Orthopedic Surgery, Xpert Clinics/SCORE (Specialized Center of Orthopedic Research and Education), Laarderhoogtweg 12, 1101EA, Amsterdam, The Netherlands.,Department of Orthopaedic Surgery, Amsterdam University Medical Centers, location Academic Medical Center, Meibergdreef 15, 1105, AZ, Amsterdam, The Netherlands.,Department of Orthopaedic Surgery, Tergooi, Van Riebeeckweg 212, 1213, XZ, Hilversum, The Netherlands
| | - A M J S Vervest
- Department of Orthopaedic Surgery, Tergooi, Van Riebeeckweg 212, 1213, XZ, Hilversum, The Netherlands
| | - H M van der Vis
- Department of Orthopedic Surgery, Xpert Clinics/SCORE (Specialized Center of Orthopedic Research and Education), Laarderhoogtweg 12, 1101EA, Amsterdam, The Netherlands
| | - I N Sierevelt
- Department of Orthopedic Surgery, Xpert Clinics/SCORE (Specialized Center of Orthopedic Research and Education), Laarderhoogtweg 12, 1101EA, Amsterdam, The Netherlands.,Department of Orthopaedic Surgery, Spaarne Gasthuis, Spaarnepoort 1, 2134, TM, Hoofddorp, The Netherlands
| | - D C Baas
- Department of Orthopaedic Surgery, Tergooi, Van Riebeeckweg 212, 1213, XZ, Hilversum, The Netherlands
| | - K T M Opdam
- Department of Orthopaedic Surgery, Amsterdam University Medical Centers, location Academic Medical Center, Meibergdreef 15, 1105, AZ, Amsterdam, The Netherlands
| | - G M M J Kerkhoffs
- Department of Orthopaedic Surgery, Amsterdam University Medical Centers, location Academic Medical Center, Meibergdreef 15, 1105, AZ, Amsterdam, The Netherlands
| | - D Haverkamp
- Department of Orthopedic Surgery, Xpert Clinics/SCORE (Specialized Center of Orthopedic Research and Education), Laarderhoogtweg 12, 1101EA, Amsterdam, The Netherlands.
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Melkonian SC, Pete D, Jim MA, Haverkamp D, Wiggins CL, Bruce MG, White MC. Gastric Cancer Among American Indian and Alaska Native Populations in the United States, 2005-2016. Am J Gastroenterol 2020; 115:1989-1997. [PMID: 32740090 PMCID: PMC7710924 DOI: 10.14309/ajg.0000000000000748] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
INTRODUCTION American Indian and Alaska Native (AI/AN) populations have higher gastric cancer rates than the general US population. This study provides a comprehensive overview of incidence rates among AI/AN persons during 2005-2016 compared with non-Hispanic whites (whites). METHODS Population-based cancer registry data for 2005-2016 were linked with the Indian Health Service patient registration databases to address racial misclassification. Age-adjusted gastric cancer incidence rates were expressed per 100,000 per year. Incidence and trend analyses were restricted to purchased/referred care delivery area counties in 6 geographic regions, comparing gastric cancer incidence rates for AI/AN vs white populations in the United States. RESULTS Gastric cancer rates were higher in the AI/AN compared with white populations in nearly every US region. Incidence rates for central/distal portions of the stomach were higher in AI/AN individuals compared with whites. Rates of later stage gastric cancer were higher in AI/AN populations overall and in every region except the Pacific Coast and East. Incidence rates decreased significantly over time in both populations. Declining rates in the AI/AN populations were driven by changes in the Pacific Coast and Northern Plains regions. DISCUSSION AI/AN populations have a disproportionately high incidence of gastric cancer, especially in Alaska. High incidence in the central/distal portions of the stomach among AI/AN populations likely reflects a high prevalence of Helicobacter pylori infection in these populations. These data can be used to develop interventions to reduce risk factors and improve access to health services among AI/AN people at high risk for gastric cancer.
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Affiliation(s)
- Stephanie C. Melkonian
- Division of Cancer Prevention and Control, Centers for Disease Control and Prevention, Albuquerque, New Mexico, USA
| | - Dornell Pete
- Department of Epidemiology, University of Washington, Seattle, Washington, USA
| | - Melissa A. Jim
- Division of Cancer Prevention and Control, Centers for Disease Control and Prevention, Albuquerque, New Mexico, USA
| | - Donald Haverkamp
- Division of Cancer Prevention and Control, Centers for Disease Control and Prevention, Albuquerque, New Mexico, USA
| | - Charles L. Wiggins
- New Mexico Tumor Registry, University of New Mexico Comprehensive Cancer Center, Albuquerque, New Mexico, USA
| | - Michael G. Bruce
- Arctic Investigations Program, Division of Preparedness and Emerging Infections, Centers for Disease Control and Prevention, Anchorage, Alaska, USA
| | - Mary C. White
- Division of Cancer Prevention and Control, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
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Haverkamp D, van der Vis HM, Lee J, Achan P, Sierevelt IN, Ramachandran M. Two-year clinical results of a novel load redistribution device for the treatment of medial knee OA. Arch Orthop Trauma Surg 2020; 140:1873-1881. [PMID: 32128630 DOI: 10.1007/s00402-020-03390-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/27/2019] [Indexed: 11/30/2022]
Abstract
PURPOSE A potential method to relieve the pain from medial osteoarthritis of the knee is to offload the medial compartment. The Latella™ Knee Implant is a novel device designed to offload the medial compartment. The objective of the Cotera-1 study was to evaluate the preliminary safety and feasibility of the Latella implant to treat patients with medial OA of the knee, by a 2-year follow-up of a prospective multicenter feasibility study (Cotera-1) performed in the Netherlands and UK METHODS: In this first-in-man study, 11 participants received the Latella implant and were followed for 2 years, documenting physician assessment, Patient-Reported Outcome (PRO) scoring (KOOS, IKDC, Kujala, SF-36); Patient Global Assessment (PGA), radiographic analysis and MRI analysis, complications, reoperation rate and hip-knee-ankle axis. RESULTS The Latella Knee Implant system proved to be well tolerated and demonstrated a low-risk safety profile up to 24 months post-treatment. A responder analysis was performed of the subjects who still had the Latella implanted at 24-month time point (n = 9). Based on a MCID of eight for KOOS pain sub-scale, 78% of the subjects at the 24 month time point would be considered as responders. Similarly, based on improvement in the medial knee pain compared to baseline using the NRS scale of 1-10, 89% of the subjects at the 24-month time point would be considered as responders. Two patients were revised during follow-up: one for arthrofibrosis and one converted to TKA for progression of OA. CONCLUSIONS The early clinical experience with the Latella Knee Implant in this pilot feasibility study has been encouraging. It appears to be a safe implant with possible effect on medial OA. Additional studies need to be performed to assess the safety and efficacy of the procedure in a larger patient population. LEVEL OF EVIDENCE II.
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Affiliation(s)
- D Haverkamp
- Xpert Orthopedie, Laarderhoogtweg 12, 1101 AE, Amsterdam, The Netherlands.
| | - H M van der Vis
- Xpert Orthopedie, Laarderhoogtweg 12, 1101 AE, Amsterdam, The Netherlands
| | - J Lee
- Barts Health NHS Trust, London, UK.,The Royal London Hospital, Whitechapel, London, E1 1BB, UK
| | - P Achan
- Barts Health NHS Trust, London, UK.,The Royal London Hospital, Whitechapel, London, E1 1BB, UK
| | - I N Sierevelt
- Xpert Orthopedie, Laarderhoogtweg 12, 1101 AE, Amsterdam, The Netherlands
| | - M Ramachandran
- Barts Health NHS Trust, London, UK.,The Royal London Hospital, Whitechapel, London, E1 1BB, UK
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Dingemans SA, Birnie MFN, Sanders FRK, van den Bekerom MPJ, Backes M, van Beeck E, Bloemers FW, van Dijkman B, Flikweert E, Haverkamp D, Holtslag HR, Hoogendoorn JM, Joosse P, Parkkinen M, Roukema G, Sosef N, Twigt BA, van Veen RN, van der Veen AH, Vermeulen J, Winkelhagen J, van der Zwaard BC, van Dieren S, Goslings JC, Schepers T. Correction to: Routine versus on demand removal of the syndesmotic screw; a protocol for an international randomised controlled trial (RODEO-trial). BMC Musculoskelet Disord 2020; 21:520. [PMID: 32758205 PMCID: PMC7409494 DOI: 10.1186/s12891-020-03516-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Affiliation(s)
- S A Dingemans
- Department of Surgery, Trauma Unit, Academic Medical Centre, University of Amsterdam, P.O. Box 22660, 1100 DD, Amsterdam, The Netherlands
| | - M F N Birnie
- Department of Surgery, Trauma Unit, Academic Medical Centre, University of Amsterdam, P.O. Box 22660, 1100 DD, Amsterdam, The Netherlands
| | - F R K Sanders
- Department of Surgery, Trauma Unit, Academic Medical Centre, University of Amsterdam, P.O. Box 22660, 1100 DD, Amsterdam, The Netherlands
| | - M P J van den Bekerom
- Department of Orthopedic Surgery, OLVG, P.O. Box 95500, 1090 HM, Amsterdam, The Netherlands
| | - M Backes
- Department of Surgery, Trauma Unit, Academic Medical Centre, University of Amsterdam, P.O. Box 22660, 1100 DD, Amsterdam, The Netherlands
| | - E van Beeck
- Department of Public Health, Erasmus MC, P.O. Box 2040, 3000 CA, Rotterdam, The Netherlands
| | - F W Bloemers
- Department of Surgery, Trauma Unit, VU University Medical Centre, P.O. Box 7057, 1007 MB, Amsterdam, The Netherlands
| | - B van Dijkman
- Department of Surgery, Flevo Hospital, P.O. Box 3005, 1300 EG, Almere, The Netherlands
| | - E Flikweert
- Department of Surgery, Deventer Hospital, P.O. Box 5001, 7400 GC, Deventer, The Netherlands
| | - D Haverkamp
- Department of Surgery, Slotervaart Hospital, P.O. Box 90440, 1006 BK, Amsterdam, The Netherlands
| | - H R Holtslag
- Department of Surgery, Trauma Unit, Academic Medical Centre, University of Amsterdam, P.O. Box 22660, 1100 DD, Amsterdam, The Netherlands
| | - J M Hoogendoorn
- Department of Surgery, Haaglanden MC, P.O. Box 432, 2501 CK, The Hague, The Netherlands
| | - P Joosse
- Department of Surgery, Noordwest Hospital Group, P.O. Box 501, 1815 JD, Alkmaar, The Netherlands
| | - M Parkkinen
- Department of Orthopaedics and Traumatology, Helsinki University Hospital, Topeliuksenkatu 5, 00260, Helsinki, Finland
| | - G Roukema
- Department of Surgery, Maasstad Hospital, P.O. Box 9100, 3007 AC, Rotterdam, The Netherlands
| | - N Sosef
- Department of Surgery, Spaarne Hospital, P.O. Box 770, 2130 AT, Hoofddorp, The Netherlands
| | - B A Twigt
- Department of Surgery, BovenIJ Hospital, P.O. Box 37610, 1030 BD, Amsterdam, The Netherlands
| | - R N van Veen
- Department of Surgery, OLVG, P.O. Box 95500, 1090 HM, Amsterdam, The Netherlands
| | - A H van der Veen
- Department of Surgery, Catharina Hospital, P.O. Box 1350, 5602 ZA, Eindhoven, The Netherlands
| | - J Vermeulen
- Department of Surgery, Spaarne Hospital, P.O. Box 770, 2130 AT, Hoofddorp, The Netherlands
| | - J Winkelhagen
- Department of Surgery, Westfries Hospital, P.O. Box 600, 1620 AR, Hoorn, The Netherlands
| | - B C van der Zwaard
- Department of Orthopaedics, Jeroen Bosch Hospital, P.O. Box 90153, 5200 ME, 's-Hertogenbosch, The Netherlands
| | - S van Dieren
- Department of Surgery, Trauma Unit, Academic Medical Centre, University of Amsterdam, P.O. Box 22660, 1100 DD, Amsterdam, The Netherlands
| | - J C Goslings
- Department of Orthopedic Surgery, OLVG, P.O. Box 95500, 1090 HM, Amsterdam, The Netherlands
| | - T Schepers
- Department of Surgery, Trauma Unit, Academic Medical Centre, University of Amsterdam, P.O. Box 22660, 1100 DD, Amsterdam, The Netherlands.
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Hoornenborg D, van Loon J, de Waard S, Sierevelt IN, Opdam KTM, Kerkhoffs GMMJ, Haverkamp D. Dynamic trial fitting by an expanding trial cup does not jeopardize primary acetabular component stability. Clin Biomech (Bristol, Avon) 2020; 78:105077. [PMID: 32559463 DOI: 10.1016/j.clinbiomech.2020.105077] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Revised: 02/13/2020] [Accepted: 06/05/2020] [Indexed: 02/07/2023]
Abstract
BACKGROUND Trial fitting of the acetabular component in uncemented total hip replacement is traditionally done by trial cups. Since trial cups do not resemble the real press-fit obtained by the definitive cup, a dynamic trial inserter, called the X-pander ®, was developed to mimic the real amount of press-fit. However, the concern is raised of losing the initial press-fit by using the X-pander® due to pre-expansion of the acetabulum. The purpose of this study was to assess if there is a difference in primary stability between both methods. METHODS A biomechanical randomized study was performed with bovine calf acetabula, with randomization between either using the X-pander® or the traditional trial cups to assess primary stability. The primary outcome was the force needed to achieve lever out of the implanted cup (Anexys, Mathys or Trident, Stryker), measured in Newton meter (Nm) with a biomechanical testing set up. FINDINGS In total, 54 cups (19 Anexys, 35 Trident) were inserted and tested after randomized trial fitting. Overall mean lever out was 45.1 Nm (SD 14.6) for the X-pander® group and 45.0 Nm (SD 14.5) for the trial cups group. After adjustment for potential confounders (cup size and type) mixed model analysis did not reveal a significant difference in lever out force between both testing devices (mean 1.0 Nm, 95%CI (-5.9; 8.0), p = .77). INTERPRATION Initial press-fit of the implanted cup is not lost by pre-expansion as done with dynamic trial fitting with the X-pander®.
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Affiliation(s)
- D Hoornenborg
- Xpert Orthopedie Amsterdam/SCORE (Specialized Center of Orthopedic Research and Education), Laarderhoogtweg 12, 1101EA Amsterdam, the Netherlands.
| | - J van Loon
- Xpert Orthopedie Amsterdam/SCORE (Specialized Center of Orthopedic Research and Education), Laarderhoogtweg 12, 1101EA Amsterdam, the Netherlands; Academic Medical Center Amsterdam, Department of Orthopedic Surgery, Meibergdreef 15, 1105 AZ Amsterdam, the Netherlands.
| | - S de Waard
- Xpert Orthopedie Amsterdam/SCORE (Specialized Center of Orthopedic Research and Education), Laarderhoogtweg 12, 1101EA Amsterdam, the Netherlands
| | - I N Sierevelt
- Xpert Orthopedie Amsterdam/SCORE (Specialized Center of Orthopedic Research and Education), Laarderhoogtweg 12, 1101EA Amsterdam, the Netherlands.
| | - K T M Opdam
- Academic Medical Center Amsterdam, Department of Orthopedic Surgery, Meibergdreef 15, 1105 AZ Amsterdam, the Netherlands.
| | - G M M J Kerkhoffs
- Academic Medical Center Amsterdam, Department of Orthopedic Surgery, Meibergdreef 15, 1105 AZ Amsterdam, the Netherlands.
| | - D Haverkamp
- Xpert Orthopedie Amsterdam/SCORE (Specialized Center of Orthopedic Research and Education), Laarderhoogtweg 12, 1101EA Amsterdam, the Netherlands.
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Haverkamp D, English K, Jacobs-Wingo J, Tjemsland A, Espey D. Effectiveness of Interventions to Increase Colorectal Cancer Screening Among American Indians and Alaska Natives. Prev Chronic Dis 2020; 17:E62. [PMID: 32678062 PMCID: PMC7380299 DOI: 10.5888/pcd17.200049] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
INTRODUCTION Screening rates for colorectal cancer are low in many American Indian and Alaska Native (AI/AN) communities. Direct mailing of a fecal immunochemical test (FIT) kit can address patient and structural barriers to screening. Our objective was to determine if such an evidence-based intervention could increase colorectal cancer screening among AI/AN populations. METHODS We recruited study participants from 3 tribally operated health care facilities and randomly assigned them to 1 of 3 study groups: 1) usual care, 2) mailing of FIT kits, and 3) mailing of FIT kits plus follow-up outreach by telephone and/or home visit from an American Indian Community Health Representative (CHR). RESULTS Among participants who received usual care, 6.4% returned completed FIT kits. Among participants who were mailed FIT kits without outreach, 16.9% returned the kits - a significant increase over usual care (P < .01). Among participants who received mailed FIT kits plus CHR outreach, 18.8% returned kits, which was also a significant increase over usual care (P < .01) but not a significant increase compared with the mailed FIT kit-only group (P = .44). Of 165 participants who returned FIT kits during the study, 39 (23.6%) had a positive result and were referred for colonoscopy of which 23 (59.0%) completed the colonoscopy. Twelve participants who completed a colonoscopy had polyps, and 1 was diagnosed with colorectal cancer. CONCLUSION Direct mailing of FIT kits to eligible community members may be a useful, population-based strategy to increase colorectal cancer screening among AI/AN people.
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Affiliation(s)
- Donald Haverkamp
- Centers for Disease Control and Prevention, Division of Cancer Prevention and Control, Albuquerque, New Mexico
- 1720 Louisiana Blvd, NE, No. 208, Albuquerque, NM 87110.
| | - Kevin English
- Albuquerque Area Indian Health Board, Albuquerque, New Mexico
| | - Jasmine Jacobs-Wingo
- Centers for Disease Control and Prevention, Division of Cancer Prevention and Control, Albuquerque, New Mexico
| | - Amanda Tjemsland
- Centers for Disease Control and Prevention, Division of Cancer Prevention and Control, Albuquerque, New Mexico
| | - David Espey
- Centers for Disease Control and Prevention, Division of Cancer Prevention and Control, Albuquerque, New Mexico
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Melkonian SC, Jim MA, Haverkamp D, Wiggins CL, McCollum J, White MC, Kaur JS, Espey DK. Disparities in Cancer Incidence and Trends among American Indians and Alaska Natives in the United States, 2010-2015. Cancer Epidemiol Biomarkers Prev 2019; 28:1604-1611. [PMID: 31575554 PMCID: PMC6777852 DOI: 10.1158/1055-9965.epi-19-0288] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Revised: 06/12/2019] [Accepted: 07/30/2019] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND Cancer incidence rates for American Indian and Alaska Native (AI/AN) populations vary by geographic region in the United States. The purpose of this study is to examine cancer incidence rates and trends in the AI/AN population compared with the non-Hispanic white population in the United States for the years 2010 to 2015. METHODS Cases diagnosed during 2010 to 2015 were identified from population-based cancer registries and linked with the Indian Health Service (IHS) patient registration databases to describe cancer incidence rates in non-Hispanic AI/AN persons compared with non-Hispanic whites (whites) living in IHS purchased/referred care delivery area counties. Age-adjusted rates were calculated for the 15 most common cancer sites, expressed per 100,000 per year. Incidence rates are presented overall as well as by region. Trends were estimated using joinpoint regression analyses. RESULTS Lung and colorectal cancer incidence rates were nearly 20% to 2.5 times higher in AI/AN males and nearly 20% to nearly 3 times higher in AI/AN females compared with whites in the Northern Plains, Southern Plains, Pacific Coast, and Alaska. Cancers of the liver, kidney, and stomach were significantly higher in the AI/AN compared with the white population in all regions. We observed more significant decreases in cancer incidence rates in the white population compared with the AI/AN population. CONCLUSIONS Findings demonstrate the importance of examining cancer disparities between AI/AN and white populations. Disparities have widened for lung, female breast, and liver cancers. IMPACT These findings highlight opportunities for targeted public health interventions to reduce AI/AN cancer incidence.
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Affiliation(s)
- Stephanie C Melkonian
- Division of Cancer Prevention and Control, Centers for Disease Control and Prevention, Albuquerque, New Mexico.
| | - Melissa A Jim
- Division of Cancer Prevention and Control, Centers for Disease Control and Prevention, Albuquerque, New Mexico
| | - Donald Haverkamp
- Division of Cancer Prevention and Control, Centers for Disease Control and Prevention, Albuquerque, New Mexico
| | - Charles L Wiggins
- New Mexico Tumor Registry, University of New Mexico Comprehensive Cancer Center, Albuquerque, New Mexico
| | - Jeffrey McCollum
- Division of Epidemiology and Disease Prevention, Indian Health Service, Rockville, Maryland
| | - Mary C White
- Division of Cancer Prevention and Control, Centers for Disease Control and Prevention, Atlanta, Georgia
| | - Judith S Kaur
- Native American Programs, Mayo Clinic, Jacksonville, Florida
| | - David K Espey
- Office of the Director, Centers for Disease Control and Prevention, Albuquerque, New Mexico
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Kruidenier J, van der Plaat LW, Sierevelt IN, Hoornenborg D, Haverkamp D. Ankle fusion after failed ankle replacement in rheumatic and non-rheumatic patients. Foot Ankle Surg 2019; 25:589-593. [PMID: 30321923 DOI: 10.1016/j.fas.2018.08.007] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/18/2018] [Revised: 06/19/2018] [Accepted: 08/15/2018] [Indexed: 02/04/2023]
Abstract
BACKGROUND With longer follow-up, survival rate of total ankle replacements (TAR) diminishes. It is therefore important to have a reliable fall-back option in case of failed TAR. Revision arthroplasty is often impossible because of loss of bonestock or infection. Conversion to ankle fusion is then indicated. We investigated the clinical, radiographic and patient reported results for fusion after failed TAR in a consecutive group of patients. We concentrated on the influence of inflammatory joint disease (IJD) on union rate. METHODS Patient files and radiographic images of 46 consecutive patients (47 ankles) were reviewed. There were 22 patients with IJD. Fixation methods included; anterior plating, blade plate fixation, intramedullary nailing, compression screws and external fixation. Foot and Ankle Outcome Score (FAOS) and Foot and Ankle Ability Measure (FAAM) were used to determine patient related outcomes. RESULTS Forty out of 47 ankles (85%) Fused. Union rate in the non-IJD group (96%) was significantly higher compared to the IJD-group (73%, p=0.04). Revisions and complications were more frequent in the IJD group, but numbers were too small to detect a significant difference. Mean PROM scores were: FAOS-symptoms; 68.5, FAOS-pain; 70.3, FAOS-QoL; 43.7, FAOS-ADL; 68.1 and FAAM-ADL; 52.1, with no significant difference between IJD and non-IJD patients. CONCLUSIONS IJD-patients have a higher nonunion rate after ankle fusion for failed TAR. However, patient reported outcome is not significantly different between the two groups. LEVEL OF EVIDENCE IV, retrospective cohort.
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Affiliation(s)
- J Kruidenier
- MC Slotervaart, Department of Orthopedics, Louwesweg 6, 1066EC Amsterdam, Noord-Holland, The Netherlands
| | - L W van der Plaat
- Noordwest Ziekenhuisgroep, Department of Orthopedics, Wilhelminalaan 12, 1815 JD Alkmaar, Noord-Holland, The Netherlands
| | - I N Sierevelt
- MC Slotervaart, Department of Orthopedics, Louwesweg 6, 1066EC Amsterdam, Noord-Holland, The Netherlands
| | - D Hoornenborg
- MC Slotervaart, Department of Orthopedics, Louwesweg 6, 1066EC Amsterdam, Noord-Holland, The Netherlands
| | - D Haverkamp
- MC Slotervaart, Department of Orthopedics, Louwesweg 6, 1066EC Amsterdam, Noord-Holland, The Netherlands.
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Melkonian SC, Jim MA, Reilley B, Erdrich J, Berkowitz Z, Wiggins CL, Haverkamp D, White MC. Incidence of primary liver cancer in American Indians and Alaska Natives, US, 1999-2009. Cancer Causes Control 2018; 29:833-844. [PMID: 30030669 PMCID: PMC6108913 DOI: 10.1007/s10552-018-1059-3] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2017] [Accepted: 07/13/2018] [Indexed: 12/22/2022]
Abstract
PURPOSE To evaluate liver cancer incidence rates and risk factor correlations in non-Hispanic AI/AN populations for the years 1999-2009. METHODS We linked data from 51 central cancer registries with the Indian Health Service patient registration databases to improve identification of the AI/AN population. Analyses were restricted to non-Hispanic persons living in Contract Health Service Delivery Area counties. We compared age-adjusted liver cancer incidence rates (per 100,000) for AI/AN to white populations using rate ratios. Annual percent changes (APCs) and trends were estimated using joinpoint regression analyses. We evaluated correlations between regional liver cancer incidence rates and risk factors using Pearson correlation coefficients. RESULTS AI/AN persons had higher liver cancer incidence rates than whites overall (11.5 versus 4.8, RR = 2.4, 95% CI 2.3-2.6). Rate ratios ranged from 1.6 (Southwest) to 3.4 (Northern Plains and Alaska). We observed an increasing trend among AI/AN persons (APC 1999-2009 = 5%). Rates of distant disease were higher in the AI/AN versus white population for all regions except Alaska. Alcohol use (r = 0.84) and obesity (r = 0.79) were correlated with liver cancer incidence by region. CONCLUSIONS Findings highlight disparities in liver cancer incidence between AI/AN and white populations and emphasize opportunities to decrease liver cancer risk factor prevalence.
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Affiliation(s)
- Stephanie C Melkonian
- Division of Cancer Prevention and Control, Centers for Disease Control and Prevention, 1720 Louisiana Blvd NE, Suite 208, Albuquerque, NM, 87110, USA.
| | - Melissa A Jim
- Division of Cancer Prevention and Control, Centers for Disease Control and Prevention, 1720 Louisiana Blvd NE, Suite 208, Albuquerque, NM, 87110, USA
| | - Brigg Reilley
- Northwest Portland Area Indian Health Board, Portland, OR, USA
| | - Jennifer Erdrich
- Cedars-Sinai Medical Center, Department of Surgery, Los Angeles, CA, USA
| | - Zahava Berkowitz
- Division of Cancer Prevention and Control, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Charles L Wiggins
- New Mexico Tumor Registry, University of New Mexico Comprehensive Cancer Center, Albuquerque, NM, USA
| | - Donald Haverkamp
- Division of Cancer Prevention and Control, Centers for Disease Control and Prevention, 1720 Louisiana Blvd NE, Suite 208, Albuquerque, NM, 87110, USA
| | - Mary C White
- Division of Cancer Prevention and Control, Centers for Disease Control and Prevention, Atlanta, GA, USA
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22
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Sierevelt IN, Zwiers R, Schats W, Haverkamp D, Terwee CB, Nolte PA, Kerkhoffs GMMJ. Measurement properties of the most commonly used Foot- and Ankle-Specific Questionnaires: the FFI, FAOS and FAAM. A systematic review. Knee Surg Sports Traumatol Arthrosc 2018; 26:2059-2073. [PMID: 29026933 DOI: 10.1007/s00167-017-4748-7] [Citation(s) in RCA: 54] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2017] [Accepted: 10/04/2017] [Indexed: 12/20/2022]
Abstract
PURPOSE In the foot and ankle literature, a wide range of patient-reported outcome measures (PROMs) is used, however, consensus as to which PROMs are preferred is lacking. Selection of a PROM is among other reasons, often based on measurement properties without considering the methodological quality of the studies that evaluate these measurement properties. The aim of current study was first to identify the most frequently used foot and ankle-specific PROMs in recent orthopaedic foot and ankle literature, and second to conduct a systematic review to synthesize and critically appraise the measurement properties of these PROMS. METHODS Six PubMed indexed journals focussing on foot and ankle research were screened to identify most commonly used foot and ankle-specific PROMs over a 2 year period (2015-2016). Subsequently, a systematic literature search was performed in PubMed, EMBASE, SPORTDiscus and Scopus to identify relevant studies on their measurement properties. Methodological quality assessment was performed using the COnsensus-based Standards for the selection of health Measurement INstruments (COSMIN) checklist, criteria for good measurement properties were applied, and a level of evidence was determined for the measurement properties of each domain of the questionnaires. RESULTS The three most frequently reported PROMs were the Foot Function Index (FFI), the Foot and Ankle Outcome Score (FAOS) and the Foot and Ankle Activity Measure (FAAM). Among 2046 unique citations, 50 studies were included evaluating these PROMs. Evidence to support the measurement properties of the FFI was mainly lacking due to poor methodological quality. More evidence was available for the measurement properties of the FAOS and the FAAM, but overall evidence supporting all measurement properties is not yet sufficient. CONCLUSION The best available evidence retrieved in this review showed that the FAOS and the FAAM are promising outcome measures for evaluation of patients with foot and ankle conditions, but their shortcomings should be taken into account when interpreting results in clinical setting or trials. LEVEL OF EVIDENCE I.
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Affiliation(s)
- I N Sierevelt
- Slotervaart Center of Orthopedic Research and Education (SCORE), Orthopedic Department, MC Slotervaart, Louwesweg 6, 1066 EC, Amsterdam, The Netherlands.
- Spaarne Gasthuis Academy, Orthopedic Department, Spaarne Gasthuis Hospital, Spaarnepoort 1, 2134 TM, Hoofddorp, The Netherlands.
| | - R Zwiers
- Orthopedic Research Center Amsterdam, Department of Orthopedic Surgery, Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
| | - W Schats
- Department of Scientific Information Service, The Netherlands Cancer Institute, Plesmanlaan 121, 1066 CX, Amsterdam, The Netherlands
| | - D Haverkamp
- Slotervaart Center of Orthopedic Research and Education (SCORE), Orthopedic Department, MC Slotervaart, Louwesweg 6, 1066 EC, Amsterdam, The Netherlands
| | - C B Terwee
- Department of Epidemiology and Biostatistics and the EMGO Institute for Health and Care Research, VU University Medical Center, De Boelelaan 1089a, 1081 HV, Amsterdam, The Netherlands
| | - P A Nolte
- Spaarne Gasthuis Academy, Orthopedic Department, Spaarne Gasthuis Hospital, Spaarnepoort 1, 2134 TM, Hoofddorp, The Netherlands
| | - G M M J Kerkhoffs
- Orthopedic Research Center Amsterdam, Department of Orthopedic Surgery, Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
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Dingemans SA, Birnie MFN, Sanders FRK, van den Bekerom MPJ, Backes M, van Beeck E, Bloemers FW, van Dijkman B, Flikweert E, Haverkamp D, Holtslag HR, Hoogendoorn JM, Joosse P, Parkkinen M, Roukema G, Sosef N, Twigt BA, van Veen RN, van der Veen AH, Vermeulen J, Winkelhagen J, van der Zwaard BC, van Dieren S, Goslings JC, Schepers T. Routine versus on demand removal of the syndesmotic screw; a protocol for an international randomised controlled trial (RODEO-trial). BMC Musculoskelet Disord 2018; 19:35. [PMID: 29386053 PMCID: PMC5793393 DOI: 10.1186/s12891-018-1946-5] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/25/2017] [Accepted: 01/16/2018] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND Syndesmotic injuries are common and their incidence is rising. In case of surgical fixation of the syndesmosis a metal syndesmotic screw is used most often. It is however unclear whether this screw needs to be removed routinely after the syndesmosis has healed. Traditionally the screw is removed after six to 12 weeks as it is thought to hamper ankle functional and to be a source of pain. Some studies however suggest this is only the case in a minority of patients. We therefore aim to investigate the effect of retaining the syndesmotic screw on functional outcome. DESIGN This is a pragmatic international multicentre randomised controlled trial in patients with an acute syndesmotic injury for which a metallic syndesmotic screw was placed. Patients will be randomised to either routine removal of the syndesmotic screw or removal on demand. Primary outcome is functional recovery at 12 months measured with the Olerud-Molander Score. Secondary outcomes are quality of life, pain and costs. In total 194 patients will be needed to demonstrate non-inferiority between the two interventions at 80% power and a significance level of 0.025 including 15% loss to follow-up. DISCUSSION If removal on demand of the syndesmotic screw is non-inferior to routine removal in terms of functional outcome, this will offer a strong argument to adopt this as standard practice of care. This means that patients will not have to undergo a secondary procedure, leading to less complications and subsequent lower costs. TRIAL REGISTRATION This study was registered at the Netherlands Trial Register (NTR5965), Clinicaltrials.gov ( NCT02896998 ) on July 15th 2016.
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Affiliation(s)
- S. A. Dingemans
- Department of Surgery, Trauma Unit, Academic Medical Centre, University of Amsterdam, P.O. Box 22660, 1100 DD Amsterdam, The Netherlands
| | - M. F. N. Birnie
- Department of Surgery, Trauma Unit, Academic Medical Centre, University of Amsterdam, P.O. Box 22660, 1100 DD Amsterdam, The Netherlands
| | - F. R. K. Sanders
- Department of Surgery, Trauma Unit, Academic Medical Centre, University of Amsterdam, P.O. Box 22660, 1100 DD Amsterdam, The Netherlands
| | | | - M. Backes
- Department of Surgery, Trauma Unit, Academic Medical Centre, University of Amsterdam, P.O. Box 22660, 1100 DD Amsterdam, The Netherlands
| | - E. van Beeck
- Department of Public Health, Erasmus MC, P.O. Box 2040, 3000 CA Rotterdam, The Netherlands
| | - F. W. Bloemers
- Department of Surgery, Trauma Unit, VU University Medical Centre, P.O. Box 7057, 1007 MB Amsterdam, The Netherlands
| | - B. van Dijkman
- Department of Surgery, Flevo Hospital, P.O. Box 3005, 1300 EG Almere, The Netherlands
| | - E. Flikweert
- Department of Surgery, Deventer Hospital, P.O. Box 5001, 7400 GC Deventer, The Netherlands
| | - D. Haverkamp
- Department of Surgery, Slotervaart Hospital, P.O. Box 90440, 1006BK Amsterdam, The Netherlands
| | - H. R. Holtslag
- Department of Surgery, Trauma Unit, Academic Medical Centre, University of Amsterdam, P.O. Box 22660, 1100 DD Amsterdam, The Netherlands
| | - J. M. Hoogendoorn
- Department of Surgery, Haaglanden MC, P.O. Box 432, 2501 CK The Hague, The Netherlands
| | - P. Joosse
- Department of Surgery, Noordwest Hospital Group, P.O. Box 501, 1815 JD Alkmaar, The Netherlands
| | - M. Parkkinen
- Department of Orthopaedics and Traumatology, Helsinki University Hospital, Topeliuksenkatu 5, 00260 Helsinki, Finland
| | - G. Roukema
- Department of Surgery, Maasstad Hospital, P.O. Box 9100, 3007 AC Rotterdam, The Netherlands
| | - N. Sosef
- Department of Surgery, Spaarne Hospital, P.O. Box 770, 2130 AT Hoofddorp, The Netherlands
| | - B. A. Twigt
- Department of Surgery, BovenIJ Hospital, P.O. Box 37610, 1030 BD Amsterdam, The Netherlands
| | - R. N. van Veen
- Department of Surgery, OLVG, P.O. Box 95500, 1090 HM Amsterdam, The Netherlands
| | - A. H. van der Veen
- Department of Surgery, Catharina Hospital, P.O. Box 1350, 5602 ZA Eindhoven, The Netherlands
| | - J. Vermeulen
- Department of Surgery, Spaarne Hospital, P.O. Box 770, 2130 AT Hoofddorp, The Netherlands
| | - J. Winkelhagen
- Department of Surgery, Westfries Hospital, P.O. Box 600, 1620 AR Hoorn, The Netherlands
| | - B. C. van der Zwaard
- Department of Orthopaedics, Jeroen Bosch Hospital, P.O. Box 90153, 5200 ME ‘s-Hertogenbosch, The Netherlands
| | - S. van Dieren
- Department of Surgery, Trauma Unit, Academic Medical Centre, University of Amsterdam, P.O. Box 22660, 1100 DD Amsterdam, The Netherlands
| | - J. C. Goslings
- Department of Orthopedic Surgery, OLVG, P.O. Box 95500, 1090 HM Amsterdam, The Netherlands
| | - T. Schepers
- Department of Surgery, Trauma Unit, Academic Medical Centre, University of Amsterdam, P.O. Box 22660, 1100 DD Amsterdam, The Netherlands
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Militello LG, Diiulio JB, Borders MR, Sushereba CE, Saleem JJ, Haverkamp D, Imperiale TF. Evaluating a Modular Decision Support Application For Colorectal Cancer Screening. Appl Clin Inform 2017; 8:162-179. [PMID: 28197619 PMCID: PMC5373761 DOI: 10.4338/aci-2016-09-ra-0152] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2016] [Accepted: 12/05/2016] [Indexed: 11/23/2022] Open
Abstract
BACKGROUND There is a need for health information technology evaluation that goes beyond randomized controlled trials to include consideration of usability, cognition, feedback from representative users, and impact on efficiency, data quality, and clinical workflow. This article presents an evaluation illustrating one approach to this need using the Decision-Centered Design framework. OBJECTIVE To evaluate, through a Decision-Centered Design framework, the ability of the Screening and Surveillance App to support primary care clinicians in tracking and managing colorectal cancer testing. METHODS We leveraged two evaluation formats, online and in-person, to obtain feedback from a range primary care clinicians and obtain comparative data. Both the online and in-person evaluations used mock patient data to simulate challenging patient scenarios. Primary care clinicians responded to a series of colorectal cancer-related questions about each patient and made recommendations for screening. We collected data on performance, perceived workload, and usability. Key elements of Decision-Centered Design include evaluation in the context of realistic, challenging scenarios and measures designed to explore impact on cognitive performance. RESULTS Comparison of means revealed increases in accuracy, efficiency, and usability and decreases in perceived mental effort and workload when using the Screening and Surveillance App. CONCLUSION The results speak to the benefits of using the Decision-Centered Design approach in the analysis, design, and evaluation of Health Information Technology. Furthermore, the Screening and Surveillance App shows promise for filling decision support gaps in current electronic health records.
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Affiliation(s)
- Laura G Militello
- Laura G. Militello, MA, Applied Decision Science, 5335 Far Hills Avenue, Suite 217, Dayton, Ohio 45429, , (937) 602-7844
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Nadeau M, Walaszek A, Perdue DG, Rhodes KL, Haverkamp D, Forster J. Influences and Practices in Colorectal Cancer Screening Among Health Care Providers Serving Northern Plains American Indians, 2011-2012. Prev Chronic Dis 2016; 13:E167. [PMID: 27978410 PMCID: PMC5201146 DOI: 10.5888/pcd13.160267] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
Introduction The epidemiology of colorectal cancer, including incidence, mortality, age of onset, stage of diagnosis, and screening, varies regionally among American Indians. The objective of the Improving Northern Plains American Indian Colorectal Cancer Screening study was to improve understanding of colorectal cancer screening among health care providers serving Northern Plains American Indians. Methods Data were collected, in person, from a sample of 145 health care providers at 27 health clinics across the Northern Plains from May 2011 through September 2012. Participants completed a 32-question, self-administered assessment designed to assess provider practices, screening perceptions, and knowledge. Results The proportion of providers who ordered or performed at least 1 colorectal cancer screening test for an asymptomatic, average-risk patient in the previous month was 95.9% (139 of 145). Of these 139 providers, 97.1% ordered colonoscopies, 12.9% ordered flexible sigmoidoscopies, 73.4% ordered 3-card, guaiac-based, fecal occult blood tests, and 21.6% ordered fecal immunochemical tests. Nearly two-thirds (64.7%) reported performing in-office guaiac-based fecal occult blood tests using digital rectal examination specimens. Providers who reported receiving a formal update on colorectal cancer screening during the previous 24 months were more likely to screen using digital rectal exam specimens than providers who had received a formal update on colorectal cancer screening more than 24 months prior (73.9% vs 56.9%, respectively, χ2 = 4.29, P = .04). Conclusion Despite recommendations cautioning against the use of digital rectal examination specimens for colorectal cancer screening, the practice is common among providers serving Northern Plains American Indian populations. Accurate up-to-date, ongoing education for patients, the community, and health care providers is needed.
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Affiliation(s)
- Melanie Nadeau
- North Dakota State University, Dept 2662, PO Box 6050, Fargo, ND 58108-6050.
| | - Anne Walaszek
- American Indian Cancer Foundation, Minneapolis, Minnesota
| | | | | | - Donald Haverkamp
- Centers for Disease Control and Prevention, Division of Cancer Prevention and Control, Albuquerque, New Mexico
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26
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De Rooij M, van der Leeden M, Cheung J, van der Esch M, Arja Häkkinen A, Haverkamp D, Roorda L, Twisk J, Vollebregt J, Lems W, Dekker J. OP0062-HPR Efficacy of Tailored Exercise Therapy in Patients with Knee Osteoarthritis and Comorbidity: A Randomized Controlled Trial. Ann Rheum Dis 2016. [DOI: 10.1136/annrheumdis-2016-eular.3855] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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27
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Bech NH, Hulst AH, Spuijbroek JA, van Leuken LLA, Haverkamp D. Perioperative pain management in hip arthroscopy; what options are there? J Hip Preserv Surg 2016; 3:181-9. [PMID: 27583156 PMCID: PMC5005063 DOI: 10.1093/jhps/hnw015] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/19/2016] [Accepted: 03/07/2016] [Indexed: 12/30/2022] Open
Abstract
Hip arthroscopy is a fast growing orthopedic field of expertise. As in any field of surgery adequate postoperative pain management regimes are of utmost importance. The purpose of this review is to provide an overview of current knowledge on anesthetic options for perioperative pain management for hip arthroscopy. We searched the Pubmed/Medline and Embase database for literature and included 10 studies for our analysis. Because of the variety of pain scales and different ways of measured pain no meta-analysis could be performed and a descriptive review is performed. There are several types of pain regimens that can mostly be divided in two groups: local anesthetics and nerve blocks. Included studies show a rather large variation in reported visual analogue scale scores, post anesthesia care unit admission time and opioid usage. There are several anesthetic options available for hip arthroscopy. Different studies use different dosages, anesthetic regimens and different protocols; this partly explains the differences between studies with similar techniques. Peripheral nerve blocks seems promising but regarding current literature no clear recommendation can be made about what the best perioperative pain management option is, an overview of all reported techniques is given.
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Affiliation(s)
- N H Bech
- Department of Orthopedic Surgery, Slotervaart Hospital, Louwesweg 6, Amsterdam 1066 EC, The Netherlands
| | - A H Hulst
- Department of Anesthesia, Slotervaart Hospital, Louwesweg 6, Amsterdam 1066 EC, The Netherlands
| | - J A Spuijbroek
- Department of Orthopedic Surgery, Slotervaart Hospital, Louwesweg 6, Amsterdam 1066 EC, The Netherlands
| | - L L A van Leuken
- Department of Anesthesia, Slotervaart Hospital, Louwesweg 6, Amsterdam 1066 EC, The Netherlands
| | - D Haverkamp
- Department of Orthopedic Surgery, Slotervaart Hospital, Louwesweg 6, Amsterdam 1066 EC, The Netherlands
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du Long J, Hageman M, Vuijk D, Rakic A, Haverkamp D. Facing the decision about the treatment of hip or knee osteoarthritis: What are patients' needs? Knee Surg Sports Traumatol Arthrosc 2016; 24:1710-6. [PMID: 26831860 DOI: 10.1007/s00167-016-3993-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/16/2015] [Accepted: 01/13/2016] [Indexed: 12/18/2022]
Abstract
PURPOSE There is an increasing interest in modern orthopaedic practice to empower patients to participate in shared decision-making. Decision aids are thought to be helpful in this process. Before creating decision aids for patients with osteoarthritis in the knee or hip, the goal was to identify the needs of patients and physicians when deciding about the treatment. Specifically, this study tested the null hypothesis that there is no significant difference in decisional conflict between patients with knee or hip osteoarthritis and orthopaedic surgeons. METHODS Thirty-three orthopaedic surgeons and 172 patients with either knee or hip osteoarthritis were surveyed. Patients entered their demographic information and completed the Knee Injury and Osteoarthritis Outcome Score/Hip Disability and Osteoarthritis Outcome Score, the Assessment of Needs survey based on the Ottawa Decision Support Framework, the Decisional Conflict Scale, the Pain Self-Efficacy Questionnaire, the Patient-Doctor Relationship Questionnaire-9, the Pain Anxiety Symptoms Scale and the Patient Health Questionnaire. Physicians entered their demographic and professional information and completed the Assessment of Needs survey based on the Ottawa Decision Support Framework and the Decisional Conflict Scale. RESULTS The results showed that there was a significant difference (P < 0.01) between patients [mean (SD), 33 (19)] and physicians [mean (SD), 24 (14)], regarding decisional conflict about the treatment of knee and hip osteoarthritis. It also showed that patients' decisional conflict was associated with the patient-doctor relationship, and there was a need for information and clearness of one's values for risks and benefits. CONCLUSION Patients had a higher magnitude of decisional conflict than physicians and that the level of decisional conflict was positively influenced by the patient-doctor relationship. Patients had high needs regarding information and clearness of one's values for risks and benefits. LEVEL OF EVIDENCE II.
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Affiliation(s)
- Jasmijn du Long
- Slotervaart Center of Orthopedic Research and Education (SCORE), MC Slotervaart, Louwesweg 6, 1066 EC, Amsterdam, The Netherlands.
| | - Michiel Hageman
- Slotervaart Center of Orthopedic Research and Education (SCORE), MC Slotervaart, Louwesweg 6, 1066 EC, Amsterdam, The Netherlands
| | - Dick Vuijk
- Slotervaart Center of Orthopedic Research and Education (SCORE), MC Slotervaart, Louwesweg 6, 1066 EC, Amsterdam, The Netherlands
| | - Alexander Rakic
- Slotervaart Center of Orthopedic Research and Education (SCORE), MC Slotervaart, Louwesweg 6, 1066 EC, Amsterdam, The Netherlands
| | - D Haverkamp
- Slotervaart Center of Orthopedic Research and Education (SCORE), MC Slotervaart, Louwesweg 6, 1066 EC, Amsterdam, The Netherlands
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29
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Sierevelt IN, van Eekeren ICM, Haverkamp D, Reilingh ML, Terwee CB, Kerkhoffs GMMJ. Evaluation of the Dutch version of the Foot and Ankle Outcome Score (FAOS): Responsiveness and Minimally Important Change. Knee Surg Sports Traumatol Arthrosc 2016; 24:1339-47. [PMID: 26704805 DOI: 10.1007/s00167-015-3941-9] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/02/2015] [Accepted: 12/09/2015] [Indexed: 11/28/2022]
Abstract
PURPOSE The aim of this study was to evaluate the responsiveness of the Foot and Ankle Outcome Score (FAOS) and provide data on the Minimally Important Change (MIC) in patients 1 year after hindfoot and ankle surgery. METHODS Prospective pre-operative and 1 year post-operative FAOS scores were collected from 145 patients. A patient's global assessment and a longitudinal derived Function Change Score were used as external anchors. To assess responsiveness, effect sizes (ES) and Standardized Response Means (SRM) were calculated and hypotheses on their magnitudes were formulated. Additional ROC curve analysis was performed, and the Area Under the Curve (AUC) was calculated as a measure of responsiveness. MIC values were estimated using two different methods: (1) the mean change method and (2) the optimal cut-off point of the ROC curve. RESULTS Responsiveness was supported by confirmation of 84% of the hypothesized ES and SRM and almost all AUCs exceeding 0.70. MIC values ranged from 7 (symptoms) to 38 (sport) points. They varied between calculation methods and were negatively associated with baseline values. A considerable amount of MIC values did not exceed the smallest detectable change limit, indicating that the FAOS is more suitable at group level than for longitudinally following individual patients. CONCLUSIONS The FAOS demonstrated good responsiveness in patients 1 year after hindfoot and ankle surgery. Due to their wide variation, MIC estimates derived in this study should be interpreted with caution. However, these estimates can be of value to facilitate sample size calculation in future studies. LEVEL OF EVIDENCE Diagnostic study, Level I.
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Affiliation(s)
- I N Sierevelt
- Department of Orthopedics, MC Slotervaart, Louwesweg 6, 1066 EC, Amsterdam, The Netherlands.
| | - I C M van Eekeren
- Department of Orthopaedic Surgery, Orthopaedic Research Center Amsterdam, Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
| | - D Haverkamp
- Department of Orthopedics, MC Slotervaart, Louwesweg 6, 1066 EC, Amsterdam, The Netherlands
| | - M L Reilingh
- Department of Orthopaedic Surgery, Orthopaedic Research Center Amsterdam, Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
| | - C B Terwee
- Department of Epidemiology and Biostatistics, EMGO Institute for Health and Care Research, VU University Medical Center, De Boelelaan 1089a, 1081 HV, Amsterdam, The Netherlands
| | - G M M J Kerkhoffs
- Department of Orthopaedic Surgery, Orthopaedic Research Center Amsterdam, Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
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Militello LG, Saleem JJ, Borders MR, Sushereba CE, Haverkamp D, Wolf SP, Doebbeling BN. Designing Colorectal Cancer Screening Decision Support: A Cognitive Engineering Enterprise. J Cogn Eng Decis Mak 2016; 10:74-90. [PMID: 26973441 PMCID: PMC4784691 DOI: 10.1177/1555343416630875] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Adoption of clinical decision support has been limited. Important barriers include an emphasis on algorithmic approaches to decision support that do not align well with clinical work flow and human decision strategies, and the expense and challenge of developing, implementing, and refining decision support features in existing electronic health records (EHRs). We applied decision-centered design to create a modular software application to support physicians in managing and tracking colorectal cancer screening. Using decision-centered design facilitates a thorough understanding of cognitive support requirements from an end user perspective as a foundation for design. In this project, we used an iterative design process, including ethnographic observation and cognitive task analysis, to move from an initial design concept to a working modular software application called the Screening & Surveillance App. The beta version is tailored to work with the Veterans Health Administration's EHR Computerized Patient Record System (CPRS). Primary care providers using the beta version Screening & Surveillance App more accurately answered questions about patients and found relevant information more quickly compared to those using CPRS alone. Primary care providers also reported reduced mental effort and rated the Screening & Surveillance App positively for usability.
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Affiliation(s)
| | | | | | | | - Donald Haverkamp
- Centers for Disease Control and Prevention, Albuquerque, New Mexico
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Bech NH, Kodde IF, Dusseldorp F, Druyts PAMC, Jansen SPL, Haverkamp D. Hip arthroscopy in obese, a successful combination? J Hip Preserv Surg 2015; 3:37-42. [PMID: 27026817 PMCID: PMC4808258 DOI: 10.1093/jhps/hnv076] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/08/2015] [Revised: 09/01/2015] [Accepted: 10/25/2015] [Indexed: 11/19/2022] Open
Abstract
Discussion persists about the outcome and results of hip arthroscopy in obese patients. Hip arthroscopy gained popularity over time. A current discussion is if obese patients can reach similar results after surgery compared with non-obese. To our knowledge, this is the first systematic review of literature about hip arthroscopy and obesity. We searched the Pubmed/Medline databases for literature and included three studies that compared the outcome of hip arthroscopy between different BMI groups. We extracted and pooled the data. For continues data a weighted mean difference was calculated, for dichotomous variables a weighted odds ratio (OR) was calculated using Review Software Manager. Heterogeneity of the included studies was calculated using I2 statistics. Data were extracted from two studies. In the Obese group, there was significant more conversion to total hip replacement or resurfacing hip replacement (OR = 2.21, 95% CI 1.07–4.56) and more re-arthroscopy (OR = 4.68, 95% CI 1.41–15.45). Any reoperation occurred more often in the obese group (OR = 2.87, 95% CI 1.53–5.38). In the Non Arthritic Hip Score obese scored lower than the non-Obese group [10.9 (−14,6 to 7.1)]. For the modified Harris Hip Score the score is − 6,6, according to the MCID this difference is clinically relevant. For both scores obese show lower outcomes but similar improvement after hip arthroscopy. Regarding a higher chance of needing a re-operation and lower subjective outcome scores obesity appears to have a negative influence on the outcome of hip arthroscopy.
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Affiliation(s)
- N H Bech
- 1. Department of Orthopedic Surgery, Slotervaart Medical Center, Louwesweg 6, Amsterdam 1066 EC, the Netherlands
| | - I F Kodde
- 1. Department of Orthopedic Surgery, Slotervaart Medical Center, Louwesweg 6, Amsterdam 1066 EC, the Netherlands
| | - F Dusseldorp
- 1. Department of Orthopedic Surgery, Slotervaart Medical Center, Louwesweg 6, Amsterdam 1066 EC, the Netherlands
| | - P A M C Druyts
- 2. Department of Orthopedic Surgery, TweeSteden Hospital, Dr Deelenlaan 5, Tilburg 5042 AD, the Netherlands
| | - S P L Jansen
- 3. Department of Orthopedic Surgery, Rijnland Hospital, Simon Smitweg 1, Leiderdorp 2353 GA, the Netherland
| | - D Haverkamp
- 1. Department of Orthopedic Surgery, Slotervaart Medical Center, Louwesweg 6, Amsterdam 1066 EC, the Netherlands
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Sierevelt IN, Beimers L, van Bergen CJA, Haverkamp D, Terwee CB, Kerkhoffs GMMJ. Validation of the Dutch language version of the Foot and Ankle Outcome Score. Knee Surg Sports Traumatol Arthrosc 2015; 23:2413-2419. [PMID: 24792074 DOI: 10.1007/s00167-014-3017-2] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2013] [Accepted: 04/13/2014] [Indexed: 10/25/2022]
Abstract
PURPOSE The aim of this study was to develop a Dutch language version of the Foot and Ankle Outcome Score (FAOS-DLV) and evaluate its measurement properties according to the definitions of the COnsensus-based Standards for the selection of health Measurement INstruments (COSMIN). METHODS After a standard forward-backward translation procedure, the Dutch version of the FAOS was evaluated for reliability and validity in 110 patients with various hind foot and ankle complaints. Reliability was evaluated by calculation of intraclass correlation coefficients (ICC), Cronbach's alpha for internal consistency, and the smallest detectable change (SDC). Construct validity of the FAOS was assessed by calculation of Spearman's correlation coefficients with similar and dissimilar domains of the SF-36 health survey, American Orthopedic Foot and Ankle Society Ankle and Hindfoot Scale, and visual analogue scales for pain and disability. Dimensionality was tested with confirmatory factor analysis. RESULTS Reliability of the FAOS-DLV was good. The ICC of the subscales ranged from 0.83 to 0.88. The minimal value of Cronbach's alpha was 0.76. The SDC at individual level ranged from 18 to 21 and at group level between 2.1 and 2.5. Construct validity was supported by confirmation of 85 % of the hypothesized correlations. Unidimensionality of the FAOS-DLV domains was moderate. CONCLUSION The Dutch version of the FAOS seems to have acceptable measurement properties. The questionnaire can be used for functional assessment of patients with varying hindfoot and ankle symptoms. It is, however, more suitable for clinical evaluation at group level than for monitoring a specific patient. LEVEL OF EVIDENCE Diagnostic study, Level I.
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Affiliation(s)
- I N Sierevelt
- Department of Orthopedics, Slotervaart Hospital, Louwesweg 6, 1066 EC, Amsterdam, The Netherlands.
| | - L Beimers
- Department of Orthopaedic Surgery, Orthopaedic Research Center Amsterdam, Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
| | - C J A van Bergen
- Department of Orthopaedic Surgery, Orthopaedic Research Center Amsterdam, Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
| | - D Haverkamp
- Department of Orthopedics, Slotervaart Hospital, Louwesweg 6, 1066 EC, Amsterdam, The Netherlands
| | - C B Terwee
- Department of Epidemiology and Biostatistics and the EMGO Institute for Health and Care Research, VU University Medical Center, van der Boechorststraat 7, 1081 BT, Amsterdam, The Netherlands
| | - G M M J Kerkhoffs
- Department of Orthopaedic Surgery, Orthopaedic Research Center Amsterdam, Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
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Redwood D, Provost E, Lopez EDS, Skewes M, Johnson R, Christensen C, Sacco F, Haverkamp D. A Process Evaluation of the Alaska Native Colorectal Cancer Family Outreach Program. Health Educ Behav 2015; 43:35-42. [PMID: 26157041 DOI: 10.1177/1090198115590781] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
This article presents the results of a process evaluation of the Alaska Native (AN) Colorectal Cancer (CRC) Family Outreach Program, which encourages CRC screening among AN first-degree relatives (i.e., parents, siblings, adult children; hereafter referred to as relatives) of CRC patients. Among AN people incidence and death rates from CRC are the highest of any ethnic/racial group in the United States. Relatives of CRC patients are at increased risk; however, CRC can be prevented and detected early through screening. The evaluation included key informant interviews (August to November 2012) with AN and non-AN stakeholders and program document review. Five key process evaluation components were identified: program formation, evolution, outreach responses, strengths, and barriers and challenges. Key themes included an incremental approach that led to a fully formed program and the need for dedicated, culturally competent patient navigation. Challenges included differing relatives' responses to screening outreach, health system data access and coordination, and the program impact of reliance on grant funding. This program evaluation indicated a need for more research into motivating patient screening behaviors, electronic medical records systems quality improvement projects, improved data-sharing protocols, and program sustainability planning to continue the dedicated efforts to promote screening in this increased risk population.
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Affiliation(s)
- Diana Redwood
- Alaska Native Epidemiology Center, Alaska Native Tribal Health Consortium, Anchorage, AK, USA
| | - Ellen Provost
- Alaska Native Epidemiology Center, Alaska Native Tribal Health Consortium, Anchorage, AK, USA
| | | | | | | | - Claudia Christensen
- Alaska Native Epidemiology Center, Alaska Native Tribal Health Consortium, Anchorage, AK, USA
| | - Frank Sacco
- Alaska Native Epidemiology Center, Alaska Native Tribal Health Consortium, Anchorage, AK, USA
| | - Donald Haverkamp
- Division of Cancer Prevention and Control, Centers for Disease Control and Prevention, Albuquerque, NM, USA
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Craig JA, Redwood D, Provost E, Haverkamp D, Espey DK. Use of Tracking and Reminder Systems for Colorectal Cancer Screening in Indian Health Service and Tribal Facilities. IHS Prim Care Provid 2015; 40:10-17. [PMID: 28216993 PMCID: PMC5315090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
BACKGROUND Colorectal cancer (CRC) is a significant cause of morbidity and mortality among American Indian/Alaska Native (AI/AN) people. Screening at recommended intervals can detect CRC in its early, most treatable stages, or prevent CRC through removal of precancerous polyps. However, CRC screening percentages remain low among AI/AN people. Reminder and tracking systems can be used to improve CRC screening percentages. PURPOSE In this study we assessed the prevalence of CRC screening reminder and tracking systems in Indian Health Service (IHS), Tribal, or Urban (I/T/U) health facilities. METHODS A telephone survey of randomly selected small, medium and large I/T/U health facilities nationwide was conducted. Three health facilities from each of the 12 IHS areas nationwide were selected from a list of I/T/U healthcare facilities that provide CRC screening or refer patients to another facility for screening, with the goal of having one small, one medium, and one large I/T/U health facility from each IHS area. RESULTS Thirty-four facilities (94%) participated in the telephone survey between April 1 and September 24, 2010. All facilities used the IHS Resource and Patient Management System to manage their patient care, and 82% used the Electronic Health Record (EHR) version. Over half of these facilities (55%) performed in-office fecal occult blood tests (FOBT) collected during a digital rectal exam, all of which reported that they also sent FOBT cards home with patients. Fifty-three percent of facilities used an opportunistic, visit-based approach to CRC screening. Nearly a third (32%) of facilities reported using a reminder system to notify patients that they were due for CRC screening. Almost two-thirds (65%) of facilities used a reminder system to notify health care providers that patients were due for CRC screening. While 73% of facilities used a system to track whether patients were due for CRC screening, only 61% used a system to track patient results for CRC screening, and 42% used a system to track patients with a personal history of polyps or CRC. CONCLUSIONS A majority of facilities performed in-office FOBT tests using a digital rectal exam, which is a practice that is contrary to national CRC screening recommendations. Additionally, the majority of facilities reported not using an organized system for CRC screening. Use of patient reminders was suboptimal. However, facilities did report use of provider reminders, tracking when patients were due for CRC screening, and tracking CRC screening results. As the EHR system becomes more widely used and established, I/T/U facilities could be encouraged to increase their use of the EHR tools available to aid in systematically increasing CRC screening percentages.
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Affiliation(s)
- J A Craig
- Alaska Native Epidemiology Center, Alaska Native Tribal Health Consortium, Anchorage, AK
| | - Diana Redwood
- Alaska Native Epidemiology Center, Alaska Native Tribal Health Consortium, Anchorage, AK
| | - Ellen Provost
- Alaska Native Epidemiology Center, Alaska Native Tribal Health Consortium, Anchorage, AK
| | - Donald Haverkamp
- Centers for Disease Control and Prevention, Division of Cancer Prevention and Control, Albuquerque, NM
| | - D K Espey
- Centers for Disease Control and Prevention, Division of Cancer Prevention and Control, Albuquerque, NM
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Redwood D, Suryaprasad A, Haverkamp D, Wong C, Provost E, Espey D. Evaluating an Electronic Measure of Colorectal Cancer Screening at Indian Health Service Facilities, 2008-2010. IHS Prim Care Provid 2014; 39:86-93. [PMID: 26273184 PMCID: PMC4532665] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
BACKGROUND Colorectal cancer (CRC) is a leading cause of cancer mortality in American Indian and Alaska Native (AIAN) people, and incidence rates vary considerably among AIAN populations throughout the United States. Screening has the potential to prevent CRC deaths by detection and treatment of early disease or removal of precancerous polyps. Surveillance of CRC screening is critical to efforts to improve delivery of this preventive service, but existing CRC screening surveillance methods for AIAN are limited. The Government Performance and Results Act (GPRA) CRC screening clinical care measure provides data on CRC screening among AIAN populations. PURPOSE The aim of this study was to evaluate the accuracy of the GPRA measure for CRC screening (sensitivity, specificity, positive predictive value and negative predictive value), determine reasons for CRC screening misclassification (procedures noted as screening when they were actually diagnostic exams), and to suggest opportunities for improving surveillance for CRC screening nationwide for AIAN populations. METHODS Medical record reviews (paper and electronic) were compared to the GPRA-reported CRC screening status for 1,071 patients receiving care at tribal health facilities. A total of 8 tribal health facilities (2 small, 3 medium, and 3 large) participated in the study from the Pacific Coast, the Southwest, the Southern Plains, and Alaska IHS regions. Screening-eligible patients were identified using queries of the local electronic health record from January 2007 to December 2008, and medical chart reviews were completed at participating facilities from September 2008 to June 2010. RESULTS Among 545 patients classified as screened by the GPRA measure, 305 (56%, CI: 52%-60%) had a false positive for screening as compared with medical record review. The overall sensitivity of the GPRA measure for CRC screening was 93% (CI=89%-95%) while specificity was 62% (CI: 59%-66%). The most common reasons for misclassification were for diagnostic or surveillance tests to be recorded as screening (67%), as well as medical record miscoding (18%) due to miscoding, charting errors, screenings performed outside the IHS, testing for a non-screening purpose, and categorization of patients as screened when a test had been ordered but not actually completed. CONCLUSIONS This study found that the GPRA CRC screening clinical measure overestimates the true screening rate due to the inclusion of diagnostic and surveillance exams, especially colonoscopy, as well as misclassification errors. The results of this study suggest a need to more accurately use the ICD-9 diagnostic code V76.51, which was associated with frequent coding errors. In combination with other programmatic efforts that focus on screening average- risk, asymptomatic American Indian and Alaska Native persons, improving the coding used for CRC screening may help to more accurately detect decreases in AIAN CRC incidence and mortality.
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Affiliation(s)
- Diana Redwood
- Alaska Native Epidemiology Center, Alaska Native Tribal Health Consortium, 3900 Ambassador Drive, Anchorage, Alaska, 99508, 907-729-3959
| | - Anil Suryaprasad
- Centers for Disease Control and Prevention, 1600 Clifton Rd NE, MS G-37, Atlanta, GA 30333
| | - Donald Haverkamp
- Centers for Disease Control and Prevention, Division of Cancer Prevention and Control, 5300 Homestead Road NE, Albuquerque, NM 87110
| | - Charlene Wong
- Robert Wood Johnson Foundation Clinical Scholars Program, University of Pennsylvania, 423 Guardian Drive, Philadelphia, PA 19104
| | - Ellen Provost
- Alaska Native Epidemiology Center, Alaska Native Tribal Health Consortium, 3900 Ambassador Drive, Anchorage, Alaska, 99508
| | - David Espey
- Centers for Disease Control and Prevention, Division of Cancer Prevention and Control, 5300 Homestead Road NE, Albuquerque, NM 87110
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Perdue DG, Haverkamp D, Perkins C, Daley CM, Provost E. Geographic variation in colorectal cancer incidence and mortality, age of onset, and stage at diagnosis among American Indian and Alaska Native people, 1990-2009. Am J Public Health 2014; 104 Suppl 3:S404-14. [PMID: 24754657 DOI: 10.2105/ajph.2013.301654] [Citation(s) in RCA: 90] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
OBJECTIVES We characterized estimates of colorectal cancer (CRC) in American Indians/Alaska Natives (AI/ANs) compared with Whites using a linkage methodology to improve AI/AN classification in incidence and mortality data. METHODS We linked incidence and mortality data to Indian Health Service enrollment records. Our analyses were restricted to Contract Health Services Delivery Area counties. We analyzed death and incidence rates of CRC for AI/AN persons and Whites by 6 regions from 1999 to 2009. Trends were described using linear modeling. RESULTS The AI/AN colorectal cancer incidence was 21% higher and mortality 39% higher than in Whites. Although incidence and mortality significantly declined among Whites, AI/AN incidence did not change significantly, and mortality declined only in the Northern Plains. AI/AN persons had a higher incidence of CRC than Whites in all ages and were more often diagnosed with late stage CRC than Whites. CONCLUSIONS Compared with Whites, AI/AN individuals in many regions had a higher burden of CRC and stable or increasing CRC mortality. An understanding of the factors driving these regional disparities could offer critical insights for prevention and control programs.
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Affiliation(s)
- David G Perdue
- David G. Perdue is with the American Indian Cancer Foundation, and Minnesota Gastroenterology PA, Minneapolis. Donald Haverkamp is with the Division of Cancer Prevention and Control, National Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Control and Prevention, Atlanta, GA. Carin Perkins is with the Minnesota Cancer Surveillance System, Minneapolis. Christine Makosky Daley is with the Center for American Indian Community Health, University of Kansas Medical Center, Kansas City. Ellen Provost is with the Alaska Native Tribal Health Consortium, Anchorage
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Redwood D, Provost E, Asay E, Roberts D, Haverkamp D, Perdue D, Bruce MG, Sacco F, Espey D. Comparison of fecal occult blood tests for colorectal cancer screening in an Alaska Native population with high prevalence of Helicobacter pylori infection, 2008-2012. Prev Chronic Dis 2014; 11:E56. [PMID: 24721216 PMCID: PMC3984942 DOI: 10.5888/pcd11.130281] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Introduction Alaska Native colorectal cancer (CRC) incidence and mortality rates are the highest of any ethnic/racial group in the United States. CRC screening using guaiac-based fecal occult blood tests (gFOBT) are not recommended for Alaska Native people because of false-positive results associated with a high prevalence of Helicobacter pylori-associated hemorrhagic gastritis. This study evaluated whether the newer immunochemical FOBT (iFOBT) resulted in a lower false-positive rate and higher specificity for detecting advanced colorectal neoplasia than gFOBT in a population with elevated prevalence of H. pylori infection. Methods We used a population-based sample of 304 asymptomatic Alaska Native adults aged 40 years or older undergoing screening or surveillance colonoscopy (April 2008–January 2012). Results Specificity differed significantly (P < .001) between gFOBT (76%; 95% CI, 71%–81%) and iFOBT (92%; 95% CI, 89%–96%). Among H. pylori-positive participants (54%), specificity of iFOBT was even higher (93% vs 69%). Overall, sensitivity did not differ significantly (P = .73) between gFOBT (29%) and iFOBT (36%). Positive predictive value was 11% for gFOBT and 32% for iFOBT. Conclusion The iFOBT had a significantly higher specificity than gFOBT, especially in participants with current H. pylori infection. The iFOBT represents a potential strategy for expanding CRC screening among Alaska Native and other populations with elevated prevalence of H. pylori, especially where access to screening endoscopy is limited.
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Affiliation(s)
- Diana Redwood
- 4000 Ambassador Dr, C-DCHS, Anchorage, AK 99508. Telephone 907-729-3959. E-mail:
| | - Ellen Provost
- Alaska Native Tribal Health Consortium, Anchorage, Alaska
| | - Elvin Asay
- Alaska Native Tribal Health Consortium, Anchorage, Alaska
| | - Diana Roberts
- Centers for Disease Control and Prevention, Albuquerque, New Mexico
| | - Donald Haverkamp
- Centers for Disease Control and Prevention, Albuquerque, New Mexico
| | - David Perdue
- American Indian Cancer Foundation and Minnesota Gastroenterology PA, Minneapolis, Minnesota
| | - Michael G Bruce
- Centers for Disease Control and Prevention, Anchorage, Alaska
| | - Frank Sacco
- Alaska Native Tribal Health Consortium, Anchorage, Alaska
| | - David Espey
- Centers for Disease Control and Prevention, Albuquerque, New Mexico
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Redwood D, Provost E, Perdue D, Haverkamp D, Espey D. The last frontier: innovative efforts to reduce colorectal cancer disparities among the remote Alaska Native population. Gastrointest Endosc 2012; 75:474-80. [PMID: 22341095 PMCID: PMC4523058 DOI: 10.1016/j.gie.2011.12.031] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/26/2011] [Accepted: 12/21/2011] [Indexed: 02/08/2023]
Abstract
BACKGROUND The Alaska Native (AN) population experiences twice the incidence and mortality of colorectal cancer (CRC) as does the U.S. white population. CRC screening allows early detection and prevention of cancer. OBJECTIVE We describe pilot projects conducted from 2005 to 2010 to increase CRC screening rates among AN populations living in rural and remote Alaska. DESIGN Projects included training rural mid-level providers in flexible sigmoidoscopy, provision of itinerant endoscopy services at rural tribal health facilities, the creation and use of a CRC first-degree relative database to identify and screen individuals at increased risk, and support and implementation of screening navigator services. SETTING Alaska Tribal Health System. PATIENTS AN population. INTERVENTIONS Itinerant endoscopy, patient navigation. MAIN OUTCOME MEASUREMENTS AN patients screened for CRC, colonoscopy quality measures. RESULTS As a result of these ongoing efforts, statewide AN CRC screening rates increased from 29% in 2000 to 41% in 2005 before the initiation of these projects and increased to 55% in 2010. The provision of itinerant CRC screening clinics increased rural screening rates, as did outreach to average-risk and increased-risk (family history) ANs by patient navigators. However, health care system barriers were identified as major obstacles to screening completion, even in the presence of dedicated patient navigators. LIMITATIONS Continuing challenges include geography, limited health system capacity, high staff turnover, and difficulty getting patients to screening appointments. CONCLUSIONS The projects described here aimed to increase CRC screening rates in an innovative and sustainable fashion. The issues and solutions described may provide insight for others working to increase screening rates among geographically dispersed and diverse populations.
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Affiliation(s)
- Diana Redwood
- Alaska Native Epidemiology Center, Alaska Native Tribal Health Consortium, Anchorage, Alaska
| | - Ellen Provost
- Alaska Native Epidemiology Center, Alaska Native Tribal Health Consortium, Anchorage, Alaska
| | - David Perdue
- The American Indian Cancer Foundation, Minneapolis, Minnesota
| | - Donald Haverkamp
- Centers for Disease Control and Prevention, Division of Cancer Prevention and Control, Albuquerque, New Mexico, USA
| | - David Espey
- Centers for Disease Control and Prevention, Division of Cancer Prevention and Control, Albuquerque, New Mexico, USA
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Haverkamp D, Perdue DG, Espey D, Cobb N. A survey of Indian Health Service and tribal health providers' colorectal cancer screening knowledge, perceptions, and practices. J Health Care Poor Underserved 2011; 22:243-57. [PMID: 21317519 DOI: 10.1353/hpu.2011.0014] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
BACKGROUND Provider recommendation is critical for colorectal cancer (CRC) screening participation, yet few data exist on practices of providers serving American Indians and Alaska Natives. We examined Indian Health Service (IHS) and tribal provider practices, beliefs about screening efficacy, and perceptions of barriers. METHODS We developed a Web-based questionnaire and recruited respondents via electronic distribution lists. We generated descriptive statistics by region, provider type, and workplace setting. RESULTS Most respondents (77%) recommend starting CRC screening of average-risk patients at age 50; however, 22% recommend flexible sigmoidoscopy and 43% colonoscopy at intervals inconsistent with national guidelines. Of those recommending fecal occult blood test (FOBT), 23% use a single, in-office FOBT card as their only FOBT method. Respondents reported barriers to screening to include underutilized reminder systems and inadequate resources. CONCLUSIONS Indian Health Service/tribal providers are knowledgeable about when to begin CRC screening; however, education about the appropriate use and frequency of CRC tests is needed.
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Affiliation(s)
- Donald Haverkamp
- Division of Cancer Prevention and Control, National Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Control and Prevention, Atlanta, GA, USA.
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Haverkamp D, van den Bekerom MPJ, Harmse I, Schafroth MU. [One-stage bilateral total hip arthroplasty: a systematic review and meta-analysis]. Ned Tijdschr Geneeskd 2011; 155:A3256. [PMID: 21914231] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
OBJECTIVE To investigate whether bilateral total hip arthroplasty (THA) performed in one session is a safe procedure. DESIGN Systematic review. METHOD In a literature search, 1460 studies were found of which 5 prospective in nature and which met our inclusion criteria. The patient data from these studies were pooled for meta-analysis. Data from 579 patients could be pooled for the two-session bilateral THA group and data from 334 patients for the one-session THA group. RESULTS After this pooling of data, no difference in major complications was found (odds ratio: 0.72; 95%-CI: 0.45-1.15). Minor complications occurred more often in the one-session group (odds ratio: 0.50; 95%-CI: 0.32-0.78). Intra-operative blood loss was less in the one-session group (121.7 ml; 95%-CI: 51.6-191.9), whilst the number of transfusions was greater in this group than in the two-session group (-0.5 units; 95%-CI: -0.74--0.20). Duration of the surgical procedure was not influenced by the choice for one or two sessions (difference: 6.0 minutes; 95%-CI: -2.4-14.4). Length of hospital stay was significantly shorter in the one-session group (3.2 days; 95%-CI: 3.0-3.7). CONCLUSION We conclude that one-session bilateral THA appears to be a safe procedure in selected patients.
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Affiliation(s)
- D Haverkamp
- Academisch Medisch Centrum,afd. Orthopedische Chirurgie, Amsterdam.
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Haverkamp D, Sierevelt IN, van den Bekerom MP, Poolman RW, van Dijk CN, Marti RK. The validity of patient satisfaction as single question in outcome measurement of total hip arthroplasty. J Long Term Eff Med Implants 2010; 18:145-50. [PMID: 19968623 DOI: 10.1615/jlongtermeffmedimplants.v18.i2.30] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Patient satisfaction is an important goal in orthopaedic surgery; however, it may not always reflect the surgical result that is obtained. By means of a systematic review according to the QUOROM criteria, we investigated how often satisfaction measured by a single question was used in trials reporting on the clinical outcome of total hip arthroplasty. This review showed that in 2006, 24.4% of these trials reported on satisfaction obtained by a single question. To assess the validity of satisfaction as a single question, a randomly selected group of 106 patients were questioned at an average of 15.5 years after a total hip arthroplasty (THA; range 4.2 -29.8 years). Questioning consisted of a Likert 5 scale satisfaction question and the Harris Hip Score. Satisfaction as a single question showed to have a poor construct and content validity. Despite the fact that satisfaction may be an important outcome measure, it cannot be judged as a reflection of a good result of the surgical intervention alone when evaluated using a single question.
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Affiliation(s)
- D Haverkamp
- Academic Medical Centre Amsterdam, Department of Orthopedic Surgery, The Netherlands
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de Jong PT, de Man FHR, Haverkamp D, Marti RK. The long-term outcome of the cemented Weber acetabular component in total hip replacement using a second-generation cementing technique. ACTA ACUST UNITED AC 2009; 91:31-6. [PMID: 19092001 DOI: 10.1302/0301-620x.91b1.19748] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
We report the long-term outcome of a modified second-generation cementing technique for fixation of the acetabular component of total hip replacement. An earlier report has shown the superiority of this technique assessed by improved survival compared with first-generation cementing. The acetabular preparation involved reaming only to the subchondral plate, followed by impaction of the bone in the anchorage holes. Between 1978 and 1993, 287 total hip replacements were undertaken in 244 patients with a mean age of 65.3 years (21 to 90) using a hemispherical Weber acetabular component with this modified technique for cementing and a cemented femoral component. The survival with acetabular revision for aseptic loosening as the endpoint was 99.1% (95% confidence interval 97.9 to 100 after ten years and 85.5% (95% confidence interval 74.7 to 96.2) at 20 years. Apart from contributing to a long-lasting fixation of the component, this technique also preserved bone, facilitating revision surgery when necessary.
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Affiliation(s)
- P T de Jong
- St Jansdal Ziekenhuis, Postbus, Harderwijk, The Netherlands.
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van Oldenrijk J, Sierevelt IN, Haverkamp D, Harmse IW, Poolman RW. Re: Validation of the Dutch version of the Hip disability and Osteoarthritis Outcome Score (HOOS). Osteoarthritis Cartilage 2009; 17:133-4. [PMID: 18599324 DOI: 10.1016/j.joca.2008.05.011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/14/2008] [Accepted: 05/20/2008] [Indexed: 02/02/2023]
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Haverkamp D, Marti RK. Supracondylar correction osteotomy to prevent repetitive posterior dislocation of a hip prosthesis. Orthopedics 2008; 31:181. [PMID: 19292187 DOI: 10.3928/01477447-20080201-11] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Recurrent dislocation of a total hip prosthesis can be a challenging and often disappointing problem. This case report describes a 78-year-old woman who had recurrent posterior dislocations of a revision total hip replacement (THR) that occurred on flexion and internal rotation of the hip. The initial THR for posttraumatic osteonecrosis and extensive revision THA were performed through an anterolateral approach. Conservative treatment was not successful in preventing posterior re-dislocation, neither was open surgery in which offset was improved. Investigation under anesthesia by means of an image-intensifier showed that the prosthesis was easily dislocated posteriorly on flexion and internal rotation. On external rotation the hip was completely stable. Flexion-internal rotation is a rare motion which, if the patient is clearly instructed should be avoidable. The mechanism of an anterior dislocation caused by external rotation, extension and adduction is more common, especially since an anterolateral approach was used in all procedures. We describe the surgical technique of performing an supracondylar external rotating osteotomy of the femur to avoid further dislocation. Fixation was performed with a condylar plate fixation of which the proximal part is fixated above the distal point of the femur component to avoid a stress riser. Since the foot and knee of the patient are now internally rotated, the patient is forced to produce an external rotation in the hip to have a normal leg alignment, therefore preventing the internal rotation on which the dislocation occurred. In the prevention of a re-dislocation, solutions other than performing a revision of the THA can successfully solve the problem and should therefore be considered.
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Affiliation(s)
- D Haverkamp
- Department of Orthopedic Surgery, Academic Medical Center, PO Box 22660, 1100DD Amsterdam, The Netherlands
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Abstract
Loading of the lunate in patients with Kienböck's disease and a negative ulnar variance provide the rationale for a radial shortening osteotomy. This osteotomy decreases forces transmitted from the radius to the lunate. We retrospectively reviewed 12 patients with Kienböck's disease who had 13 radial shortening osteotomies to ascertain whether the reported short- and medium-term results endured in the long-term. We evaluated nine osteotomies in nine of the 12 patients with a minimum of 16 years followup (average, 22 years; range, 16-31 years). Three patients died and one was lost to followup. For the nine patients, the range of motion was impaired compared with the normal side. Grip strength was on average 90% of the unaffected side. The average visual analog scale score for pain was 2.4 and the average Disabilities of the Arm, Shoulder, and Hand score was 14 at latest followup. In eight patients, the Lichtman classification of Kienböck's disease did not change at followup, but in three patients there was radiographic progression of the disease, which occurred during the first 10 years postoperatively. The medium- and long-term results therefore were comparable. We recommend radial shortening in stable wrists (Stage 3A or less) with a negative ulnar variance. The radius should be shortened to the level of the ulna, normally 4 to 6 mm, after which stable (plate) fixation should be performed under compression.
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Affiliation(s)
- E E J Raven
- Orthopedic Research Centre Amsterdam, Department of Orthopaedics, Academic Medical Centre, Amsterdam, The Netherlands
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Haverkamp D, Eijer H, Besselaar PP, Marti RK. Awareness and use of intertrochanteric osteotomies in current clinical practice. An international survey. Int Orthop 2007; 32:19-25. [PMID: 17431624 PMCID: PMC2219926 DOI: 10.1007/s00264-006-0270-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/01/2006] [Revised: 08/22/2006] [Accepted: 08/24/2006] [Indexed: 11/26/2022]
Abstract
Current literature shows that intertrochanteric osteotomies can produce excellent results in selected hip disorders in specific groups of patients. However, it appears that this surgical option is considered an historical one that has no role to play in modern practice. In order to examine current awareness of and views on intertrochanteric osteotomies among international hip surgeons, an online survey was carried out. The survey consisted of a set of questions regarding current clinical practice and awareness of osteotomies. The second part of the survey consisted of five clinical cases and sought to elicit views on preoperative radiological investigations and preferred (surgical) treatments. The results of our survey showed that most of these experts believe that intertrochanteric osteotomies should still be performed in selected cases. Only 56% perform intertrochanteric osteotomies themselves and of those, only 11% perform more than five per year. The responses to the cases show that about 30–40% recommend intertrochanteric osteotomies in young symptomatic patients. This survey shows that the role of intertrochanteric osteotomies is declining in clinical practice.
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Affiliation(s)
- D Haverkamp
- Academic Medical Centre, Orthotrauma Research Centre Amsterdam (G4-No), Amsterdam, The Netherlands.
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Haverkamp D, Eijer H, Marti RK. Total hip replacement using hemi-circumferential interposition acetabuloplasty for acetabular deficiency in post-Perthes deformities: technique and long-term results. Hip Int 2006; 16:253-9. [PMID: 19219802 DOI: 10.1177/112070000601600403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
We describe a technique of hemi-circumferential interposition grafting that allows placement of the cup in the anatomical position of the original acetabulum in the rare cases of post-Perthes or Perthes-like deformities of the femoral head combined with a steep and shallow acetabulum. This technique was performed on 10 hips (9 patients, with an average age of 56 years). One revision was performed for septic loosening after 2.1 years; however, the graft was well integrated and provided sufficient support for the revision cup. All the others had a good clinical and radiological result after an average of 11.4 years with an average Harris Hip Score of 97. The authors have found this an easy-to-use method, which can give an excellent, long-lasting result. It also provides important bone stock for possible subsequent revisions.;
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Affiliation(s)
- D Haverkamp
- Department of Orthopaedic Surgery (G4-No), Academical Medical Centre, Amsterdam, The Netherlands.
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Haverkamp D, Marti RK. Bilateral varus osteotomies in hip deformities: are early interventions superior? A long-term follow-up. Int Orthop 2006; 31:185-91. [PMID: 16783551 PMCID: PMC2267573 DOI: 10.1007/s00264-006-0147-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2005] [Revised: 02/14/2006] [Accepted: 03/11/2006] [Indexed: 11/27/2022]
Abstract
Coxa valga (with or withour excessive femoral anteversion) combined with acetabular dysplasia is a well-known cause of early osteoarthritis. Many authors have stated that the best result of an osteotomy can be achieved at an early stage of these osteoarthritic changes. In this study, we present 26 patients with a symmetrical hip deformity for which we performed a therapeutic osteotomy on the symptomatic hip. The contralateral hip had the same anatomical predisposition to develop an OA, but there were only minor to no complaints. We advised and performed an early osteotomy on these hips. On radiological evaluation, an average Sharp angle of 42.2 degrees and an average CCD of 142 degrees was present. During an average follow-up period of 19.9 years (range 15.0-25.9), 14 hips were converted to THR after the primary osteotomy, whereas there were only 6 after the early osteotomy (chi-square P<0.05). Using a Pearson correlation analysis, the age, preoperative grade of OA, preoperative Merle d'Aubigne score and excessive femoral anteversion were significantly correlated with the outcome. Our results show that the effect of an early, more prophylactic varus osteotomy in patients with a coxa valga with excessive femoral anteversion and acetabular dysplasia can be superior to the results achieved when surgery is postponed until the complaints and arthrosis have become more severe.
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Affiliation(s)
- D Haverkamp
- Department of Orthopaedic Surgery, Academic Medical Centre, P.O. Box 22660, 1100 DD Amsterdam, The Netherlands.
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Abstract
UNLABELLED The literature contains contradictory evidence as to whether previous proximal femoral osteotomy impairs the long-term outcomes of total hip arthroplasty. We therefore examined whether our patients with cemented total hip arthroplasties after previous osteotomies had inferior outcomes. We also investigated whether the intraoperative complication rate and the clinical and radiologic outcomes were altered by a previous osteotomy. We compared a group of 121 consecutive patients who had total hip arthroplasties (1974-1993) after osteotomies with a group of 290 consecutive patients who had total hip arthroplasties (1974-1987) without previous surgery. There was no difference in survival rate. There was a 10-year survival rate of 90% compared with 92% for the control group. The 15-year survival rates were 83% and 81%, respectively. There were no differences in radiologic and clinical followups. Intraoperative perforation of the femur occurred more often in patients with a total hip arthroplasty after an osteotomy. Our data suggest the long-term outcome of a cemented total hip arthroplasty is not impaired by a previous well-performed osteotomy. LEVEL OF EVIDENCE Therapeutic study, Level III (retrospective comparative study). See the Guidelines for Authors for a complete description of levels of evidence.
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Affiliation(s)
- D Haverkamp
- Department of Orthopaedic Surgery, Academic Medical Centre, Amsterdam, The Netherlands.
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de Jong PT, Haverkamp D, van der Vis HM, Marti RK. Total hip replacement with a superolateral bone graft for osteoarthritis secondary to dysplasia. ACTA ACUST UNITED AC 2006; 88:173-8. [PMID: 16434519 DOI: 10.1302/0301-620x.88b2.16769] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
We evaluated the long-term results of 116 total hip replacements with a superolateral shelfplasty in 102 patients with osteoarthritis secondary to developmental dysplasia of the hip. After a mean follow-up of 19.5 years (11.5 to 26.0), 14 acetabular components (12%) had been revised. The cumulative survival at 20 years was 78%, with revision for loosening of the acetabular component as the end-point. All grafts were well integrated and showed remodelling. In six grafts some resorption had occurred under the heads of the screws where the graft was not supporting the socket. Apart from these 14 revisions, seven acetabular components had possible radiological signs of loosening at a mean follow-up of 14.5 years, one had signs of probable loosening, and five had signs of definite loosening. These results indicate that this technique of bone grafting for acetabular reconstruction in hip dysplasia is a durable solution for cemented acetabular components.
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Affiliation(s)
- P T de Jong
- Department of Orthopaedic Surgery, Academic Medical Centre Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands.
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