Receiving screened donor human milk as part of a community-based lactation support programme reduces parental symptoms of anxiety and depression.

Infant feeding decisions and maternal mental health are closely tied. Donor human milk (DHM) protects premature infant health and development and can reduce hospital stays. Recent qualitative research has highlighted that having the option for an infant to receive DHM can also support parental wellbeing through reducing concerns about infant health and supporting feeding preferences. However, no quantitative study has examined this relationship. In this study, anxiety and depression scores were measured before and after receiving DHM using the Hospital Anxiety and Depression Scale for 80 parents (77 mothers, 3 fathers) who had sought DHM from a community-facing milk bank. Reasons for seeking DHM included maternal cancer, maternal and infant health complications, insufficient glandular tissue, and low milk supply. Open-ended questions explored the experience of receiving milk. Milk bank records were used to match details of milk given (volume, duration, exclusivity, lactation support given) with survey responses. Both anxiety and depression scores significantly reduced after receiving milk. Although greater lactation support and longer duration of milk predicted a greater decrease in scores, in a regression analysis, only volume of milk given remained a significant predictor. Almost all parents agreed that being able to access DHM supported their wellbeing predominantly through reducing anxieties around infant health but also through feeding choices being respected and the support given at difficult times. The findings add important considerations to the literature considering when and for whom DHM should be used and the complex interplay between infant feeding and mental health.

Clinicians' Experiences and Perspectives about a New Lung Cancer Referral Pathway in a Regional Health Service.

Introduction: Development and implementation of the Townsville Lung Cancer Referral Pathway [TLCRP] aims to reduce delays and improve referral patterns of people with suspected lung cancer in north Queensland, Australia. Reported in this paper is the experiences and perspectives of general practitioners [GPs] and specialists of the TLCRP. Methods: This was a descriptive qualitative study nested within a larger project evaluating TLCRP, utilising a broader implementation science framework. In-depth, semi-structured interviews with GPs and specialists were conducted. An iterative, inductive thematic analysis of interview transcripts was used to derive key codes, then grouped into themes regarding participant experiences and perceptions. Results: Data analysis identified two major themes and several sub-themes. The major themes were variation in the uptake of TLCRP and enhancing coordinated care and communication. Discussion: Several enablers and barriers to implementing TLCRP were identified. Barriers to adaptation of TLCRP included lack of clinical time, resistance to changing referral patterns, lack of familiarity or experience with HealthPathways and technology issues. Conclusion: Emerging themes from this study may be used to reduce the barriers and improve uptake of TLCRP and other health care pathways in the local health service and may have wider relevance in other settings.

Ovarian Cancer Risk-Reduction and Screening in BRCA1/2 Mutation Carriers.

Objective: To determine the utilization of risk-reducing strategies and screening protocols for ovarian cancer in female BRCA1/2 carriers. Methods: This study was a sub-analysis of female participants from a larger multicenter, cross-sectional survey of BRCA1/2 mutation carriers unaffected by cancer. The questionnaire was administered electronically via email at four institutions located in the northeast United States. Data were analyzed with Fisher's exact test. Results: The survey was completed by 104 female BRCA mutation carriers. BRCA subtypes included 54.3% BRCA2, 41.0% BRCA1, and 2.9% both. The age at which patients underwent genetic testing varied 21.2% were 18-24 years, 25.0% were 25-34 years, 29.8% were 35-44 years, and 24.0% were 45 years or older. Nearly, all respondents (97.1%) reported that a provider had discussed risk-reducing surgeries. Of the 79 females who underwent genetic testing before 45 years of age, 53.2% reported that a health care provider recommended taking combined oral contraceptive pills (COCs) to reduce their risk of ovarian cancer, and, of these women, 88.1% chose to use them. COCs were offered at higher rates among women who were younger at the age of genetic testing (18-24: 86%, 25-34: 62%, 35-44: 23%; p < 0.0001). Approximately half (55.8%) of the respondents reported having been offered increased screening for possible early detection of ovarian cancer, of which 81.0% chose to undergo screening. The majority utilized a combination of transvaginal ultrasound and serum CA125 measurements. There were no differences observed in screening utilization based on BRCA mutation type. Conclusion: In our cohort of female BRCA mutation carriers, risk-reducing surgery was offered to almost all women, whereas only half were offered risk-reducing medication and/or increased screening. Further investigation is needed to identify barriers to the utilization of risk-reducing strategies among this high-risk population.

Evaluation of a thermoregulatory intravascular catheter in critically ill burns patients.

Patients with severe burns are at high risk of thermoregulatory failure. Yet, there is a lack of consensus regarding the optimum approach to temperature dysregulation in patients with severe burns. Intravascular temperature management catheters may offer a superior method of temperature control, but robust data is lacking. In this article we describe our experience in using a thermoregulatory catheter for temperature management in a tertiary referral burns centre. We conducted a single-centre, prospective evaluation of the use of a thermoregulatory intravenous catheter system (Thermogard XP®) in critically injured burns patients admitted to our Intensive Care Unit over an 18-month period. 10 patients had a total of 12 catheters inserted. Patient temperatures were maintained between a median low of 36.9°C and median high of 38.4°C whilst in the Intensive Care Unit. If patients were transferred to theatre, the median temperature change was -0.15°C (IQR -0.3, 0) if Total Body Surface Area (TBSA) was ≤50% and -1.45°C (IQR -2.05, -0.975) if >50%. No surgical procedures were terminated due to intra-operative hypothermia. On return from theatre, 72.2% of patients were normothermic with a median temperature of 36.8°C. 30% of patients developed a thrombotic complication. Overall, the device appeared reliable in achieving and maintaining normothermia for critically ill burns patients manifesting temperature dysregulation. It may also be of benefit to patients expected to show temperature fluctuations during operative procedures. Further research is needed to define whether this represents an improvement over current practice and to investigate the thrombus risk associated with such devices.

Improvement in male pelvis magnetic resonance image contouring following radiologist-delivered training.

INTRODUCTION: The magnetic resonance linear accelerator (MRL) combines both magnetic resonance imaging and a linear accelerator, allowing for daily treatment adaptation. This study aimed to assess the impact of radiologist-delivered training in magnetic resonance (MR) contouring of relevant structures within the male pelvis. METHODS: Two radiation oncologists, two radiation oncology registrars and seven radiation therapists completed contouring on 10 male pelvis MR datasets both pre- and post-training. A 2-hour MR anatomy training session was delivered by a radiologist, who also provided the 'gold standard' contours. The pre- and post-training contours were compared against the gold standard with Dice similarity coefficient (DSC) and Hausdorff distances calculated; and the pre- and post-confidence scores and timing were compared. RESULTS: The improvement in DSC were significant in prostate, rectum and seminal vesicles, with a post-training median DSC of 0.87 ± 0.06, 0.92 ± 0.04 and 0.80 ± 0.14, respectively. The median Hausdorff improved with a median of 1.46 ± 0.78 mm, 0.52 ± 0.32 mm and 1.11 ± 0.86 mm for prostate, rectum and seminal vesicles, respectively. Bladder concordance was high both pre- and post-training. Urethra contours improved post-training, however, remained difficult to contour with a median post-DSC of 0.51 ± 0.24. Overall, confidence scoring improved (P < 0.001) and timing decreased by an average of 4.4 ± 16.4 min post-training. CONCLUSION: Radiologist-delivered training improved concordance of male pelvis contouring on MR datasets. Further work is required in the identification of urethra on MRs. These findings are of importance in the MRL adaptive workflow.

Meaningful consumer engagement in medical radiation sciences: enhancing quality improvement and research projects.

Consumer engagement and partnership are increasingly recognised as a significant component of healthcare planning, provision, quality improvement and research. This article provides an overview of consumer engagement embedded in two different projects: a quality improvement project and a research project. The considerations and steps taken to effectively engage and partner with consumers throughout both projects will be discussed such as the prompt for consumer engagement, how the consumer/s were recruited and their specific contributions. The commonly reported advantages and challenges as well as reflections on what we might do differently with the benefit of hindsight are presented, including time required by both consumers and health professionals; funding and remuneration; and reporting findings to the wider community. In demonstrating consumer engagement and our learnings, we aim to encourage further consumer engagement activities amongst medical radiation professionals.

Overcoming refusal of treatment in pediatric cancer without legal involvement: A descriptive case series from interviews with pediatric oncologists.

To describe strategies that pediatric oncologists utilize to persuade families to initiate or continue chemotherapy after refusing treatment, we examined transcripts from interviews of oncologists with relevant experience. We identified three cases in which the pediatric oncologists' approaches led to voluntary acceptance of recommended treatment without legal intervention. Strategies used include direct communication with alternative medicine providers, time-limited trial of alternative therapy, and praying with the family. While we cannot conclude whether these approaches could be generalized to other cases, they offer ideas for pediatric oncologists to consider when facing the decision to seek judicial involvement or discontinue persuasive efforts.

Echocardiographic and clinical outcomes following beating heart NeoChord DS1000 mitral valve repair: a single centre case series.

Background: The NeoChord DS1000 system implants artificial neochords transapically, through a left mini-thoracotomy to treat degenerative mitral valve regurgitation (MR). Performed without cardiopulmonary bypass, neochord implantation and length adjustment is guided by transesophageal echocardiography. We describe imaging and clinical outcomes for a single center case series using this innovative device platform. Methods: In this prospective series, all study patients had degenerative MR and were considered for conventional mitral valve surgery. Moderate to high-risk candidates were screened for NeoChord DS1000 eligibility based on echocardiographic criteria. Study criteria included isolated posterior leaflet prolapse, leaflet-to-annulus index greater than 1.2, and coaptation length index greater than 5 mm. Patients with bileaflet prolapse, mitral annular calcification, and ischemic MR were excluded from our early experience. Results: Ten patients underwent the procedure, including 6 males and 4 females, with a mean age of 76 ± 9.5 years. All patients had severe chronic MR and normal left ventricular function. One patient required conversion to an open procedure for failure to deploy neochords with the device transapically. The median number of NeoChord sets was 3 (IQR 2.3-3.8). Immediate post-procedure (POD#0) degree of MR on echocardiography ranged from mild or less, and on postoperative day 1 (POD#1) from moderate or less. Average length of coaptation was 0.85 ± 0.21 cm and average depth of coaptation was 0.72 ± 0.15 cm. At 1-month follow-up echocardiography, MR was graded from trivial to moderate and left ventricular inner diameter dimensions decreased from an average of 5.4 ± 0.4 cm to 4.6 ± 0.3 cm. None of the patients who had successful NeoChord implantation required blood products. There was 1 perioperative stroke with no residual deficits. There were no device-related complications or serious adverse events. The median length of hospital stay was 3 (IQR 2.3-10) days. 30-day and 6-weeks postoperative mortality and readmission rates were 0%. Conclusion: We report the first Canadian case series using the NeoChord DS1000 system for off-pump, transapical, beating heart mitral valve repair, through a left mini-thoracotomy. The early surgical outcomes suggest this approach is feasible, safe, and effective in reducing MR. This novel procedure has the advantage of offering a minimally invasive, off-pump option for select patients with high surgical risk.

Barriers to hormone therapy following prophylactic bilateral salpingo-oophorectomy in BRCA1/2 mutation carriers.

OBJECTIVE: This study aimed to identify barriers to hormone therapy (HT) use among women with BRCA1/2 mutations after prophylactic bilateral salpingo-oophorectomy (BSO). METHODS: A cross-sectional, electronic survey was conducted of BRCA1/2 mutation carriers at Women and Infants Hospital, Yale Medical Center, Hartford Healthcare, and Maine Medical Center. This study was a subanalysis of a subset of female BRCA1/2 mutation carriers who had undergone a prophylactic BSO. Data were analyzed using the Fisher's exact test or t test. RESULTS: We performed a subanalysis of 60 BRCA mutation carriers who underwent a prophylactic BSO. Only 24 women (40%) reported ever using HT. HT use was higher in women who underwent their prophylactic BSO at age younger than 45 years (51% vs. 25%, P = 0.06). Among all women who had a prophylactic BSO, the majority (73%) reported that a provider talked to them about using HT. Two thirds reported having seen contradictory information in the media about long-term consequences of HT. Seventy percent listed their provider as the primary influence in their decision to start HT. The most common reasons for not starting HT included it not being recommended by their physician (46%) and that it was not necessary (37%). CONCLUSIONS: BRCA mutation carriers frequently undergo prophylactic BSO at young ages, and less than half report using HT. This study highlights barriers to HT use, such as patient fears and physician discouragement, and identifies potential areas to improve educational efforts.

Administration of immune checkpoint inhibitors at rural towns using the Teleoncology model of care-A North Queensland perspective.

OBJECTIVE: This study aimed at evaluating the safety of administering immune checkpoint inhibitors (ICIs) and monitoring for immune-related adverse events (irAEs) using the Teleoncology model of care. DESIGN: A retrospective cohort study comparing two patient groups. SETTING: The North Queensland Teleoncology Network (NQTN) operated by the Townsville (THHS) and Cairns Hospital Health Services (CHHS) with the Townsville Cancer Centre (TCC) acting as the control group setting. PARTICIPANTS: Patients who received ICI treatment via the NQTN between January 2015 and April 2019. Patients who received ICI at the TCC over the same time period were used for comparison. MAIN OUTCOME MEASURES: Rates of high-grade irAEs and irAE-related deaths. RESULTS: Fifty-two patients received a total of 822 cycles of ICIs via the Teleoncology model through NQTN. Over the same time period, 142 patients received a total of 1521 cycles at the TCC. There were no significant differences in all demographic characteristics between either group, including tumour profile and Indigenous status. There were no statistically significant differences between the rates of high-grade irAE across multiple body organ systems (p = 0.151) and rate of hospital admissions (13.5% (NQTN) vs 5.6% (TCC), p = 0.702). There were no irAE-related deaths in either group. CONCLUSIONS: The results suggest that with adequate governance and clinical resources, ICIs can be administered safely using Teleoncology models to rural and remote towns.

A 50-year-old refugee woman with a lithopedion and a lifetime of trauma: a case report.

BACKGROUND: Lithopedion is a term that refers to a fetus that has calcified or changed to bone. The calcification may involve the fetus, membranes, placenta, or any combination of these structures. It is an extremely rare complication of pregnancy and can remain asymptomatic or present with gastrointestinal and/or genitourinary symptoms. CASE PRESENTATION: A 50-year-old Congolese refugee with a nine-year history of retained fetus after a fetal demise was resettled to the United States (U.S.). She had chronic symptoms of abdominal pain and discomfort, dyspepsia, and gurgling sensation after eating. She experienced stigmatization from healthcare professionals in Tanzania at the time of the fetal demise and subsequently avoided healthcare interaction whenever possible. Upon arrival to the U.S., evaluation of her abdominal mass included abdominopelvic imaging which confirmed the diagnosis of lithopedion. She was referred to gynecologic oncology for surgical consultation given intermittent bowel obstruction from underlying abdominal mass. However, she declined intervention due to fear of surgery and elected for symptom monitoring. Unfortunately, she passed away due to severe malnutrition in the context of recurrent bowel obstruction due to the lithopedion and continued fear of seeking medical care. CONCLUSION: This case demonstrated a rare medical phenomenon and the impact of medical distrust, poor health awareness, and limited access to healthcare among populations most likely to be affected by a lithopedion. This case highlighted the need for a community care model to bridge the gap between the healthcare team and newly resettled refugees.

Endometrial Cancer Surgery With or Without Concomitant Stress Urinary Incontinence Surgery.

OBJECTIVE: To compare quality of life (QOL) among patients with endometrial intraepithelial neoplasia or early-stage endometrial cancer and stress urinary incontinence (SUI) who chose to have concomitant surgery with cancer surgery alone. METHODS: A multicenter, prospective cohort study was conducted across eight U.S. sites. Potentially eligible patients were screened for SUI symptoms. Those who screened positive were offered referral to urogynecology and incontinence treatment, including concomitant surgery. Participants were categorized into two groups: 1) concomitant cancer and SUI surgery or 2) cancer surgery alone. The primary outcome was cancer-related QOL as measured by the FACT-En (Functional Assessment of Cancer Therapy-Endometrial) (range 0-100; higher score indicates better QOL). The FACT-En and questionnaires assessing urinary symptom-specific severity and effects were assessed before surgery and 6 weeks, 6 months, and 12 months after surgery. Adjusted median regression accounting for clustering was used to examine the relationship between SUI treatment group and FACT-En scores. RESULTS: Of 1,322 (53.1%) patients, 702 screened positive for SUI with 532 analyzed; 110 (21%) chose concomitant cancer and SUI surgery, and 422 (79%) chose cancer surgery alone. FACT-En scores increased for both the concomitant SUI surgery and cancer surgery-only groups from the preoperative to the postoperative period. After adjustment for timepoint and preoperative covariates, the median change in FACT-En score (postoperative-preoperative) was 1.2 points higher (95% CI -1.3 to 3.6) for the concomitant SUI surgery group compared with the cancer surgery-only group across the postoperative period. Median time until surgery (22 days vs 16 days; P <.001), estimated blood loss (150 mL vs 72.5 mL; P <.001), and operative time (185.5 minutes vs 152 minutes; P <.001) were all greater for the concomitant cancer and SUI surgery group compared with the cancer-only group, respectively. CONCLUSION: Concomitant surgery did not result in improved QOL compared with cancer surgery alone for endometrial intraepithelial neoplasia and patients with early-stage endometrial cancer with SUI. However, FACT-En scores were improved in both groups.

Patient and carer experiences of lung cancer referral pathway in a regional health service: a qualitative study.

BACKGROUND: Lung cancer referral pathways aim to reduce delays and improve referral patterns of people with suspected lung cancer. AIM: As part of implementing a lung cancer referral pathway at a regional Australian hospital, this study aimed to explore the experiences and perceptions of people with lung cancer and their carers. METHODS: In-depth interviews were used to elicit data for thematic analysis in this cross-sectional descriptive qualitative study. Patients with newly diagnosed lung cancer and their carers at a regional academic cancer centre were invited to participate in interviews. Five interviews were conducted face-to-face, and 14 interviews were conducted by telephone (as per interviewee preference). Interviews were audiorecorded, transcribed and qualitatively analysed. Descriptive phrases were used to generate initial inductive codes and themes. RESULTS: Nineteen participants approached agreed to take part in the study. Factors that positively impacted the care experience were good communication, timeliness and patient advocacy and support. Improper communication, long waiting times for investigations and appointments, uncertainty about the process and inconsistent advice from providers negatively impacted the care experience. Participants preferred face-to-face or video-linked consultations over telephone consultations. CONCLUSIONS: Understanding the experiences of rural and regional patients and carers with the lung cancer referral pathway is important to improve quality of care. Implementing changes to the referral pathway to improve patient and carer experiences needs to be an ongoing quality improvement exercise.

The role of ethicists in pediatric hematology/oncology: Current status and future needs.

As pediatric hematology/oncology (PHO) becomes more complex and sub-subspecialized, dedicated PHO ethicists have emerged as sub-subspecialists focused on addressing ethical issues encountered in clinical and research practices. PHO physicians and other clinicians with advanced training in bioethics contribute to the field through ethics research, education, and ethics consultation services. Furthermore, there exists a newer generation of PHO trainees interested in bioethics. This review details the experiences of current PHO ethicists, providing a blueprint for future educational, research and service activities to strengthen the trajectory of the burgeoning sub-subspecialty of PHO ethics. Creating an American Society of Pediatric Hematology/Oncology (ASPHO) ethics Special Interest Group, enhancing clinical ethics education for pediatric hematologists/oncologists (PHOs), developing multi-institutional research collaborations, and increasing attention to ethical issues germane to nonmalignant hematology will serve the interests of the entire field of PHO, enhancing the care of PHO patients and careers of PHOs.

Men's perceptions and preferences regarding prostate cancer radiation therapy: A systematic scoping review.

Purpose: To assess the literature on men's preferences and perceptions regarding prostate cancer radiation therapy. Methods: A scoping review was undertaken as per JBI guidelines. Searches were conducted in PubMed, CINAHL, Scopus and Science Direct with search terms including "prostate cancer," "radiotherapy," "radiation therapy," "radiation oncology," "patient preferences," "patient perceptions" and "patient experience." The resultant studies were mapped and grouped according to the emergent themes and pathway stages. Results: A total of 779 titles and abstracts were screened by two independent reviewers. Fifty-two full-text studies were reviewed, with 27 eligible for inclusion. There were 4 pre-treatment, 13 during treatment and 10 post-treatment studies covering broad themes of information needs (n = 3), preferences and decisions (n = 6), general experiences (n = 8), side effects (n = 6), and support (n = 4). There were a mix of methodologies, including 11 qualitative, 14 quantitative (including four preference studies), one mixed methods and one narrative review. Conclusion: There were only four preference studies, with the remaining 23 reporting on perceptions. Overall, there is a paucity of literature regarding patient preferences and perceptions of prostate cancer radiation therapy, particularly when considering how many clinical and technical studies are published in the area. This highlights opportunities for future research.

Knowledge and Attitudes of Guam Residents towards Cancer Clinical Trial Participation.

(1) Background: Currently there are no cancer clinical trials in Guam, where CHamoru people suffer the highest rates of cancer mortality, and interest to do so is growing. This study investigated the knowledge and attitudes of Guam residents towards cancer clinical trial participation prior to implementation. (2) Methods: A telephone survey was developed, tested, and conducted among Guam resident adults, 18 years of age and older. Survey questions were summarized by descriptive statistics. Logistic regression models were used to investigate the associations between Guam residents' demographics and their clinical trial knowledge and attitudes. Adjusted odds ratios (aOR) and associated 95% confidence intervals (CI) were calculated. (3) Results: One hundred fifty-two people participated in the survey, most of whom were CHamoru (47.0%). Fifty-three percent had heard the term 'clinical trial'; 73.7% would take part in a trial if they had cancer; and 59.9% believed they would receive good quality treatment from a trial offered in Guam. CHamoru were more likely than Whites to associate out-of-pocket expenses with clinical trial participation (aOR = 5.34, 95% CI = 1.68-17.00). Physician ethnicity was important to 30% of non-Whites and significantly associated with those who spoke a language other than English (aOR = 3.40, 95% CI = 1.29-8.95). Most people (65.0%) did not believe clinical trials participants were 'guinea pigs'. (4) Conclusion: Though knowledge about cancer clinical trials is limited, attitudes were primarily positive towards participating in cancer clinical trials offered in Guam. Future delivery of cancer clinical trials will benefit from identifying potential barriers to recruitment and adopting an approach suited to Guam's population.

A value-based approach to prostate cancer image-guidance in a regional radiation therapy centre: a cost-minimisation analysis.

Background and objectives: Usual practice for the insertion of prostate fiducial markers involves at least one week delay between insertion and simulation. An evidence-based practice change was implemented whereby fiducial marker insertion occurred on the same day as radiotherapy simulation. The aim of this study was to quantify the health service costs and clinical outcomes associated with this practice change. Methods: A cost-minimisation analysis was undertaken from the perspective of the local health service. A retrospective chart audit was conducted to collect data on 149 patients in the pre-implementation cohort and 138 patients in the post-implementation cohort. Associated costs with insertion and simulation were calculated and compared across the two cohorts; this included subsided travel costs for rural and remote patients. Fiducial marker positions on planning CT and first treatment CBCT were measured for all patients as the surrogate clinical outcome measure for oedema. Results: The health service saved an average of AU$ 361 (CI $311 - $412) per patient after the practice change. There was no significant difference in fiducial marker position pre- and post- implementation (p < 0.05). Conclusion: The practice change to perform insertion and radiotherapy simulation on the same day resulted in substantial savings to the health system, without compromising clinical outcomes. The decrease in number of required patient attendances is of real consequence to rural and remote populations. The practice change increases both the value and accessibility of best-practice health care to those most at risk of missing out.

The association between chiropractic integration in an Ontario community health centre and continued prescription opioid use for chronic non-cancer spinal pain: a sequential explanatory mixed methods study.

BACKGROUND: Emerging evidence suggests that access to chiropractic care may reduce the likelihood of initiating an opioid prescription for spinal pain; however, the impact of chiropractic care for patients already prescribed opioids is uncertain. We undertook a sequential explanatory mixed methods study to evaluate the association between initiating chiropractic care and continued opioid use among adult patients attending an Ontario community health centre (CHC) and receiving opioid therapy for chronic non-cancer spinal pain. METHODS: We conducted a retrospective cohort study of 210 patient records between January 1, 2014 and December 31, 2020. We used generalized estimating equations, adjusted for patient demographics, co-morbidities, visit frequency, and calendar year, to evaluate the association between receipt versus non-receipt of chiropractic services and continued opioid use (e.g., unique opioid fills, number of refills, and dosages) up to one year following the index chiropractic visit. We also completed follow-up interviews with 14 patients and nine general practitioners from the CHC and integrated these data with our quantitative findings. RESULTS: Over 12-month follow-up, there were lower rates of opioid fills (incidence rate ratio [IRR] = 0.66; 95% confidence interval [CI], 0.52-0.83) and refills (IRR = 0.27; 95% CI, 0.17-0.42) among chiropractic recipients (n = 49) versus non-recipients (n = 161). Although patients who did and did not receive chiropractic care began the study with the same dose of opioids, recipients were less likely to be prescribed higher-dose opioids (i.e., ≥ 50 mg morphine equivalents daily) compared to non-recipients at three months (odds ratio [OR] = 0.14; 95% CI, 0.04-0.47), six months (OR = 0.14; 95% CI, 0.05-0.40), nine months (OR = 0.19; 95% CI, 0.07-0.57), and 12 months (OR = 0.22; 95% CI, 0.08-0.62). Interviews suggested that patient self-efficacy, limited effectiveness of opioids for chronic pain, stigma regarding use of opioids, and access to chiropractic treatment were important influencing factors. CONCLUSION: We found that continued prescription opioid use among patients with chronic non-cancer spinal pain who received chiropractic care was lower than in patients who did not receive chiropractic care. Four themes emerged in our qualitative interviews to help provide a richer understanding of this association. Randomized controlled trials are needed to establish the effect of chiropractic care on opioid use for chronic spinal pain.