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1.
J Natl Cancer Inst Monogr ; 2024(63): 30-37, 2024 Jun 05.
Article in English | MEDLINE | ID: mdl-38836528

ABSTRACT

Effective communication about cancer diagnosis and prognosis in sub-Saharan African oncology settings is often challenged by the cancer-related shame and stigma patients and families experience. Enhancing empathic communication between health care providers, including physicians and nurses, and oncology patients and their families can not only reduce cancer stigma but also improve patient engagement, treatment satisfaction, and quality of life. To reduce lung cancer stigma, we adapted an evidence-based empathic communication skills training intervention to reduce patients' experience of stigma in Nigeria and conducted a pilot study examining the feasibility and acceptability of the empathic communication skills training. Thirty health care providers, recruited from University College Hospital, Ibadan, and Obafemi Awolowo University Teaching Hospitals Complex, Ile-Ife, participated in a 2.25-hour didactic and experiential training session. Participant surveys were completed before and after the training. Overall, participants reported highly favorable training evaluations, with at least 85% of health care providers agreeing or strongly agreeing to survey items assessing training relevance, novelty, clarity, and facilitator effectiveness. Self-efficacy to communicate empathically with patients increased significantly from before-training (Mean [SD] = 3.93 [0.28]) to after-training (Mean [SD] = 4.55 [0.15]; t29 = 3.51, P < .05). Significant improvements were observed in health care provider reports of empathy toward lung cancer survivors and attitude toward lung cancer care as well as significant reductions in lung cancer blame were noted. The empathic communication skills training was feasible, well received by oncology clinicians in Nigeria, and demonstrated improvements in health care provider-reported outcomes from before- to after-training.


Subject(s)
Communication , Empathy , Feasibility Studies , Lung Neoplasms , Social Stigma , Humans , Lung Neoplasms/psychology , Lung Neoplasms/therapy , Nigeria , Pilot Projects , Female , Male , Middle Aged , Adult , Health Personnel/education , Health Personnel/psychology , Quality of Life , Physician-Patient Relations
2.
BMJ Open ; 14(6): e077154, 2024 Jun 04.
Article in English | MEDLINE | ID: mdl-38834320

ABSTRACT

OBJECTIVE: To explore the gaps in the safe handling, administration, preparation and disposal of chemotherapy agents in low and middle-income countries. DESIGN: Two surveys comprising a needs assessment survey and an American Cancer Society (ACS) ChemoSafe Facility Assessment. SETTING: 2019 African Research Group for Oncology Symposium in South-West Nigeria (needs assessment) and the 2021 virtual engagement (ChemoSafe Assessment). PARTICIPANTS: Health professionals (n=50 of 98) from multiple institutions across Nigeria (needs assessment survey) and a designated task force of health professionals (n=10) from one teaching hospital in Southwest Nigeria(ChemoSafe Facility Assessment). RESULTS: In 2019, 75% of survey respondents (n=50) reported a lack of training resources for safe handling of chemotherapy. Additionally, 61% felt dissatisfaction with assessment practices for preparing and administering chemotherapy. ChemoSafe is a programme developed by the ACS to assess the ability of a facility to handle hazardous drugs. The 2021 ACS ChemoSafe survey administered at one teaching hospital indicated several areas for improvement to promote concordance with international standards for safe handling. Thirty-three (19.5%) items received a 'Yes' response (ie, met compliance with international standards). CONCLUSION: There is a need for the implementation of training resources for handling, administering and disposing of chemotherapy at sites across Nigeria. Strategies to identify and prioritise areas of need must be implemented in the context of available resources.


Subject(s)
Antineoplastic Agents , Needs Assessment , Quality Improvement , Humans , Nigeria , Antineoplastic Agents/therapeutic use , Surveys and Questionnaires , Health Personnel/education , Neoplasms/drug therapy
3.
Breast Care (Basel) ; 19(3): 135-141, 2024 Jun.
Article in English | MEDLINE | ID: mdl-38894956

ABSTRACT

Introduction: In Nigeria, mastectomy is the most common surgical treatment for breast cancer. Patients are often kept on admission for days until wound drains are removed. An early discharge programme was piloted in a Nigerian hospital in 2017 with very satisfactory outcomes. The impact of this evidence on clinical practice and surgical outcomes was evaluated over 5 years. Methods: From a prospectively maintained institutional database, the details of patients who underwent mastectomy between 2018 and 2022 were obtained. The duration of post-operative stay was obtained and analysed per year to determine the trend. Post-operative surgical complications such as seroma, haematoma, flap necrosis, and surgical site infection were analysed. Results: Overall, 147 patients (69%) had early discharge during the review period. Twenty-two patients (10.3%) were discharged within 24 h of surgery, 61 patients (28.6%) were discharged within 24-48 h, and 64 patients (30%) were discharged between 48 and 72 h. There was a steady increase in the adoption of the early discharge protocol over time with a 50% adoption rate in 2018 and 95% in 2022. The mean duration of hospital stay declined steadily from 3.9 days in 2018 to 2.2 days in 2022. Early discharge did not result in any compromise to post-operative outcomes. Conclusion: This study demonstrates the sustainability of early post-mastectomy discharge in a resource-limited setting with very satisfactory outcomes. It also provides a unique example of how locally generated evidence can guide local practice. We consider these findings generalisable in other Nigerian hospitals and low- and middle-income countries with similar contexts.

4.
HPB (Oxford) ; 2024 May 22.
Article in English | MEDLINE | ID: mdl-38862377

ABSTRACT

BACKGROUND: West Africa has among the highest rates of hepato-pancreato-biliary (HPB) malignancies in the world. Although surgery is critical for treatment, the availability of HPB surgery in Africa is unknown. This cross-sectional study investigated the current HPB surgical capacity of West African hospitals. METHOD: The Surgeons OverSeas Personnel, Infrastructure, Procedure, Equipment, and Supplies (PIPES) survey was modified to include HPB-specific parameters and quantify capacity. The survey was completed by consultant surgeons from West Africa. A PIPES index was calculated, and a higher score corresponded to greater HPB surgical capacity. RESULTS: The HPB PIPES survey was completed by 35 institutions from The Gambia, Ghana, Ivory Coast, and Nigeria. Most institutions (94.2%) were tertiary referral centres; five had an HPB-trained surgeon. The most commonly available procedure was an open cholecystectomy (91.4%), followed by gastric bypass (88.6%). Major hepatic resections (14.3%) and the Whipple procedure (17.1%) were rare. ICU capabilities were present at 88.6% of facilities while interventional radiology was present in 25.7%. CONCLUSIONS: This is the first HPB capacity assessment in Africa. This study showed the limited availability of HPB surgery in West Africa. These results can be used for regional quality improvement initiatives and as a baseline for future capacity assessments.

5.
J Surg Oncol ; 129(7): 1374-1383, 2024 Jun.
Article in English | MEDLINE | ID: mdl-38624014

ABSTRACT

Globally, cancer is the second leading cause of death, and low- and middle-income countries bear most of the disease burden. While cancer is increasingly recognized as a major global health issue, more work remains. Understanding the status of global cancer care will shape the next steps in ensuring equitable global access to cancer care. This article highlights ongoing initiatives in global oncology and the next steps in advancing the field.


Subject(s)
Global Health , Medical Oncology , Neoplasms , Humans , Medical Oncology/trends , Neoplasms/therapy , Developing Countries
6.
Asia Pac J Oncol Nurs ; 11(3): 100371, 2024 Mar.
Article in English | MEDLINE | ID: mdl-38426043

ABSTRACT

Objective: Cancer is a leading global health challenge with increasing morbidity and mortality. In Nigeria, cancer leads to over 100,000 new cases and 70,000 deaths annually. In resource-constrained countries such as Nigeria, registered nurses (RNs) that provide oncology care lack specialty education in oncology nursing care. Nigerian nurses are the largest portion of the healthcare workforce and can play a key role in improving oncology care. This study aimed to assess RNs' knowledge, willingness, and ability to perform tasks related to chemotherapy administration and symptom management, assess current practices, identify available resources, and identify gaps in RNs' knowledge of oncology care. Methods: A descriptive, correlational, Institutional Review Board (IRB)-approved study was conducted using a modified Knowledge, Attitudes, and Practice questionnaire and a questionnaire adapted from the Organizational Readiness to Change Assessment. The principle investigator (PI) adopted the role as an observer to witness an accurate picture of nursing practice at Obafemi Awolowo University Teaching Hospital (OAUTH) and identify gaps in education and knowledge around oncology nursing care. A Research Electronic Data Capture database was developed using paper-formatted questionnaires that were exported to Excel for statistical analysis. Results: This study supports findings from literature highlighting that nurses working in oncology units lack specialized oncology training, which leads to gaps in knowledge and practice. Questionnaire responses and clinical observations at OAUTH support RNs' willingness to learn skills related to oncology nursing care. Nurses are self-aware that they have more to learn about how to prepare and administer chemotherapy, and 90% of nurses reported that an ongoing chemotherapy training program would be helpful at OAUTH. Conclusions: By identifying gaps in education and knowledge about oncology care and by identifying available resources, an oncology training program could be developed for nurses working in oncology units at OAUTH and other Nigerian hospitals, leading to improved oncology patient care and outcomes.

7.
J Patient Rep Outcomes ; 8(1): 17, 2024 Feb 09.
Article in English | MEDLINE | ID: mdl-38334903

ABSTRACT

BACKGROUND: The majority of non-metastatic breast cancer patients in sub-Saharan Africa are recommended to have mastectomy. The impact of mastectomy on a predominantly young African patient population requires evaluation. The BREAST-Q is a validated patient-reported outcome measure of quality-of-life following breast surgery that has been translated into 30 languages-none in Africa. This study aimed to translate and assess the psychometric properties of the mastectomy module of the BREAST-Q for use in Nigeria. METHODS: The BREAST-Q mastectomy module was translated from English to Yoruba and its psychometric properties assessed using best practice guidelines. Translation was performed in 4 steps: forward translation (x2), back translation, back translation review, and cognitive interviews with post-mastectomy patients. The translated BREAST-Q instrument was administered to post-mastectomy patients (n = 21) alongside the EORTC-QLQ BR23 to evaluate construct validity. Test-retest reliability was evaluated using intraclass correlation coefficients (ICC); surveys were re-administered 4 weeks apart. RESULTS: The translation process identified English phrases not amenable to direct translation, including "emotionally healthy" and descriptions of pain ("nagging," "throbbing," "sharp"). Translations were amended to reflect local context and question intent. During cognitive interviews, patients provided suggestions to simplify complex phrases, e.g. "discomfort in your breast area.". Internal consistency within scales was over 0.70 for psychosocial wellbeing (α = 0.84-0.87), sexual wellbeing (α = 0.98-0.99), physical wellbeing in chest (α = 0.84-0.86), and satisfaction with care (α = 0.89-0.93). ICC for test-retest reliability was moderate (0.46-0.63). CONCLUSIONS: The Yoruba version of the BREAST-Q mastectomy module presents a unique opportunity to adequately capture the experiences of Nigerian women post mastectomy. This instrument is being used in a pilot study of Nigerian patients to identify targets for intervention to improve the patient experience and compliance with breast cancer surgery.


Subject(s)
Breast Neoplasms , Mastectomy , Humans , Female , Breast Neoplasms/surgery , Psychometrics , Nigeria , Reproducibility of Results , Pilot Projects , Surveys and Questionnaires
9.
JCEM Case Rep ; 2(1): luad162, 2024 Jan.
Article in English | MEDLINE | ID: mdl-38116164

ABSTRACT

Insulinomas are functioning pancreatic neuroendocrine tumors (NETs). They secrete insulin, and hence, present with hypoglycemia. We report a case of insulinoma in a 16-year-old girl presenting as seizures. She was initially managed at a private clinic and later commenced on carbamazepine when convulsion persisted. Convulsions were generalized, associated with dizziness and altered sensorium, often preceded by hunger and physical exertion, but relieved by the intake of carbonated drinks and fruit juice. She was referred to the neurology clinic when seizures persisted, despite the use of anticonvulsant. She was later referred to the endocrine clinic on suspicion of insulinoma when her random blood glucose (BG) was found to be low during an episode of convulsion. She was moderately obese but other examination findings were normal. She had a 72-hour prolonged fast, which was terminated when hypoglycemia (BG = 2.2 mmol/L) ensued after 12 hours, with elevated serum insulin and C-peptide. Abdominal magnetic resonance imaging scan showed a pancreatic tumor suggestive of insulinoma. She subsequently had distal pancreatectomy performed with complete resolution of symptoms. Unusual presentation of insulinoma may delay diagnosis, resulting in wastage of resources with increased morbidities and mortality.

10.
JCO Glob Oncol ; 9: e2300093, 2023 Sep.
Article in English | MEDLINE | ID: mdl-38096465

ABSTRACT

PURPOSE: Mammography, breast ultrasound (US), and US-guided breast biopsy are essential services for breast cancer early detection and diagnosis. This study undertook a comprehensive evaluation to determine population-level access to these services for breast cancer early detection and diagnosis in Nigeria using a previously validated geographic information system (GIS) model. METHODS: A comprehensive list of public and private facilities offering mammography, breast US, and US-guided breast biopsy was compiled using publicly available facility data and a survey administered nationally to Nigerian radiologists. All facilities were geolocated. A cost-distance model using open-source population density (GeoData Institute) and road network data (OpenStreetMap) was used to estimate population-level travel time to the nearest facility for mammography, breast US, and US-guided biopsy using GIS software (ArcMAP). RESULTS: In total, 1,336 facilities in Nigeria provide breast US, of which 47.8% (639 of 1,336) are public facilities, and 218 provide mammography, of which 45.4% (99 of 218) are public facilities. Of the facilities that provide breast US, only 2.5% (33 of 1,336) also provide US-guided breast biopsy. At the national level, 83.1% have access to either US or mammography and 61.7% have access to US-guided breast biopsy within 120 minutes of a continuous one-way travel. There are differences in access to mammography (64.8% v 80.6% with access at 120 minutes) and US-guided breast biopsy (49.0% v 77.1% with access at 120 minutes) between the northern and southern Nigeria and between geopolitical zones. CONCLUSION: To our knowledge, this is the first comprehensive evaluation of breast cancer detection and diagnostic services in Nigeria, which demonstrates geospatial inequalities in access to mammography and US-guided biopsy. Targeted investment is needed to improve access to these essential cancer care services in the northern region and the North East geopolitical zone.


Subject(s)
Breast Neoplasms , Humans , Female , Breast Neoplasms/diagnostic imaging , Breast Neoplasms/epidemiology , Early Detection of Cancer , Nigeria/epidemiology , Health Services Accessibility , Mammography
11.
JCO Glob Oncol ; 9: e2300159, 2023 Sep.
Article in English | MEDLINE | ID: mdl-37944087

ABSTRACT

PURPOSE: Hepatocellular carcinoma (HCC), the fourth most common cancer in Africa, has a dismal overall survival of only 3 months like in sub-Saharan Africa. This is affected by the low gross domestic product and human development index, absence of coherent guidelines, and other factors. METHODS: An open forum for HCC-experienced health care workers from Africa and the rest of the world was held in October 2021. Participants completed a survey to help assess the real-life access to screening, diagnoses, and treatment in the North and Southern Africa (NS), East and West Africa (EW), Central Africa (C), and the rest of the world. RESULTS: Of 461 participants from all relevant subspecialties, 372 were from Africa. Most African participants provided hepatitis B vaccination and treatment for hepatitis B and C. More than half of the participants use serum alpha-fetoprotein and ultrasound for surveillance. Only 20% reported using image-guided diagnostic liver biopsy. The Barcelona Clinic Liver Cancer is the most used staging system (52%). Liver transplant is available for only 28% of NS and 3% EW. C reported a significantly lower availability of resection. Availability of local therapy ranged from 94% in NS to 62% in C. Sorafenib is the most commonly used systemic therapy (66%). Only 12.9% reported access to other medications including immune checkpoint inhibitors. Besides 42% access to regorafenib in NS, second-line treatments were not provided. CONCLUSION: Similarities and differences in the care for patients with HCC in Africa are reported. This reconfirms the major gaps in access and availability especially in C and marginally less so in EW. This is a call for concerted multidisciplinary efforts to achieve and sustain a reduction in incidence and mortality from HCC in Africa.


Subject(s)
Carcinoma, Hepatocellular , Hepatitis B , Liver Neoplasms , Humans , Carcinoma, Hepatocellular/therapy , Carcinoma, Hepatocellular/drug therapy , Liver Neoplasms/therapy , Liver Neoplasms/drug therapy , Sorafenib/therapeutic use , Africa/epidemiology
12.
J Surg Oncol ; 128(6): 1011-1020, 2023 Nov.
Article in English | MEDLINE | ID: mdl-37818907

ABSTRACT

The African Research Group for Oncology (ARGO) was formed in 2013 to undertake methodologically rigorous cancer research in Nigeria, and to strengthen cancer research capacity in the country through training and mentorship of physicians, scientists, and other healthcare workers. Here, we describe how ARGO's work in colorectal cancer (CRC) has evolved over the past decade. This includes the consortium's scientific contributions to the understanding of CRC in Nigeria and globally and its research capacity-building program.


Subject(s)
Colorectal Neoplasms , Health Personnel , Humans , Nigeria/epidemiology , Colorectal Neoplasms/therapy
13.
JCO Glob Oncol ; 9: e2300022, 2023 09.
Article in English | MEDLINE | ID: mdl-37769219

ABSTRACT

PURPOSE: Breast cancer survivors are a distinct category of patients with unique characteristics and needs. The population of survivors is expected to increase, given the rising incidence of breast cancer in Nigeria, and the improvements in breast cancer outcomes. This study evaluated the clinicopathologic characteristics and the psychosocial experiences of a cohort of Nigerian breast cancer survivors. METHODS: From an institutional breast cancer database, patients managed between January 2010 and December 2016 were evaluated. Clinicopathologic characteristics, treatment details, and survival estimates were assessed. These were compared with nonsurvivors managed during the same period. Survivors were defined as those who have been alive for at least 5 years from the date of presentation. Qualitatively, a purposive sample of 20 survivors was evaluated using one-on-one in-depth interviews to assess their experiences and coping mechanisms after treatment. RESULTS: Of the 355 patients in the database during the study period, there were 163 survivors (45.9%), while 192 (54.1%) died. Age, stage at presentation, tumor size, and receipt of multiple treatment modalities were significantly associated with survival. Five themes were identified in qualitative analysis: initial reaction to the diagnosis, experiences during treatment, social support, coping strategies, and advocacy. Strong family support and spirituality were prominent coping strategies identified in this cohort. CONCLUSION: Despite obvious infrastructural and manpower limitations, Nigerian patients who present early and receive multimodal therapy and different breast cancer treatments have better odds of survival. Survivors have some unmet psychosocial and physical needs requiring intervention.


Subject(s)
Breast Neoplasms , Cancer Survivors , Humans , Female , Breast Neoplasms/therapy , Breast Neoplasms/diagnosis , Survivors/psychology , Social Support , Adaptation, Psychological
14.
Therap Adv Gastroenterol ; 16: 17562848231184986, 2023.
Article in English | MEDLINE | ID: mdl-37457138

ABSTRACT

With the exception of South Africa, inflammatory bowel disease (IBD) has long been considered uncommon in sub-Saharan Africa (SSA) with a dearth of peer-reviewed publications from the subcontinent. This most likely reflects underreporting as some cases may be missed due to the high burden of infectious diseases which may closely mimic IBD. In addition, many countries in SSA have limited endoscopic capacity, inadequate access to diagnostic imaging and a notable scarcity of histopathologists, radiologists and gastroenterologists. Beyond these obstacles, which significantly impact patient care, there are many other challenges in SSA, particularly the unavailability of key IBD therapies. In this review, we discuss barriers in diagnosing and managing IBD in SSA, as well as some of the initiatives currently in place to address these short comings.

15.
PLoS One ; 18(6): e0284341, 2023.
Article in English | MEDLINE | ID: mdl-37310983

ABSTRACT

BACKGROUND: In Nigeria, breast cancer incidence is rising, late presentation is common, and outcomes are poor. Patient-related factors such as lack of awareness and misperceptions in addition to health system deficiencies such as lack of a clearly defined framework for breast cancer screening and referral are some of the major drivers of this poor outlook. Guidelines for breast cancer screening in high-income countries have limited applicability in low-middle-income countries, hence the need for innovative, resource-compatible strategies to combat the negative trend. This manuscript presents our study protocol which aims to evaluate the impact of a novel breast cancer early detection program developed to address delayed presentation and lack of access to diagnostic and treatment facilities in South-West Nigeria. This entails the use of mobile technology (innovative handheld iBreast Exam [iBE] device, mobile breast ultrasound, and mobile mammography) and patient navigation as interventions at the community level. METHODS: The study (ClinicalTrials.gov identifier: NCT05321823) will adopt a randomized two group clinical trial design with one local government area (LGA) serving as an intervention arm and another serving as the control. Both LGAs will receive breast cancer awareness education but only one will receive the interventions. In the intervention arm, asymptomatic (40-70 years) and symptomatic (30-70 years) women will be invited for breast evaluation which will be performed by trained Community Health Nurses using Clinical Breast Exam (CBE), and iBE. Those with positive findings will proceed to imaging using mobile mammography and ultrasound brought to the LGA every month. Symptomatic women with negative findings on CBE and iBE will be scheduled for repeat clinical evaluation on a short-term basis (one month). The Radiologist will obtain core needle biopsies as indicated and transfer them for prompt pathological assessment. Women presenting to the Primary Healthcare Centers in the control LGA will be referred directly to Obafemi Awolowo University Teaching Hospitals Complex as per the current standard of care. Records of all breast cancer cases seen in the two LGAs during the study period will be obtained. The program metrics will include screening participation rate, cancer detection rate, stage at diagnosis, and timeline from detection to initiation of treatment. The stage at diagnosis and timeline from detection to treatment compared between the two LGAs will be used to assess the impact of the intervention. The study is proposed for 2 years; however, a descriptive analysis will be carried out at 1.5 years to evaluate the retention of the study participants. STUDY SIGNIFICANCE: It is anticipated that this study will provide vital data to support wider breast cancer screening efforts in Nigeria.


Subject(s)
Breast Neoplasms , Patient Navigation , Humans , Female , Early Detection of Cancer , Breast Neoplasms/diagnostic imaging , Breast Neoplasms/epidemiology , Nigeria/epidemiology , Local Government , Randomized Controlled Trials as Topic
16.
Ecancermedicalscience ; 17: 1506, 2023.
Article in English | MEDLINE | ID: mdl-37113722

ABSTRACT

Background: Breast cancer-related lymphedema (BCRL) is common and has significant impact on quality of life. Very little is known about BCRL in sub-Saharan Africa. Generally, BCRL has been mostly evaluated post treatment, with very limited data on the prevalence of pre-treatment BCRL at baseline. This study presents the prevalence and clinical associations of lymphedema among newly diagnosed, treatment-naive breast cancer patients in a Nigerian cohort using bioimpedance estimations. Methods: Consecutively consenting, newly diagnosed, treatment-naive breast cancer patients were assessed for upper limb lymphedema using bioimpedance measurements of the extracellular fluid and the single-frequency bioelectrical impedance analysis value at 5 kHz. Patients were classified as having lymphedema if there was >10% difference in arm measurements or if the ratios of the arm measurements were >3 SD above a normative mean generated from representative controls. Regression analysis was performed to determine clinical variables associated with lymphedema. Results: There were 154 breast cancer patients with a median age of 47 (40.0-56.8) years and a body mass index of 27 (23.5-30.9) kg/m2. The majority (70%) had stage III disease. All measurements were significantly higher in cases than controls. Using various definitions, the prevalence of lymphedema was between 11.7% and 14.3%. Various clinical variables relating to clinical stage were significantly associated with lymphedema. Conclusion: The predominance of locally advanced disease in the Nigerian setting is associated with high pre-treatment lymphedema rates. This may set the stage for higher rates in the post-operative setting. Management of lymphedema should be incorporated into the treatment planning.

18.
Cancer Causes Control ; 34(6): 495-503, 2023 Jun.
Article in English | MEDLINE | ID: mdl-36995554

ABSTRACT

PURPOSE: Cancer burden is rising rapidly in Nigeria, the most populous country in sub-Saharan Africa; this trend may in part be attributable to diet. We developed and validated a semi-quantitative food frequency questionnaire (FFQ) to assess regional diet in Nigeria. METHODS: We recruited 68 adult participants from rural and urban settings in South West Nigeria. We developed an FFQ administered at baseline and assessed its validity using 3 dietary recalls (baseline, 7 days post baseline, 3 months post baseline). We calculated Spearman's rank correlation coefficients and energy-adjusted de-attenuated correlation coefficients for food items and macronutrients. We evaluated cross-classification using quartiles of macronutrient intake. RESULTS: Energy-adjusted de-attenuated food item correlations between the FFQ and dietary recalls ranged from -0.08 (smoked beef/goat) to 0.73 (fried snacks) for the average intake from the first 2 recalls (2DR) and from -0.05 (smoked beef/goat) to 0.75 (smoked fish) for the average of all 3 recalls (3DR). Macronutrient correlations ranged from 0.15 (fat) to 0.37 (fiber) for the 2DR and from 0.08 (fat) to 0.41 (carbohydrates) for the 3DR. The percent of participants classified in the same quartile ranged from 16.4% (fat) to 32.8% (fiber, protein) for the 2DR and from 25.6% (fat) to 34.9% (carbohydrates) for the 3DR. Agreement improved when including adjacent quartiles, from 65.5% (carbohydrates) to 70.5% (fat, fiber) for the 2DR and from 62.8% (protein) to 76.8% (carbohydrate) for the 3DR. CONCLUSION: Our semi-quantitative FFQ was reasonably valid for ranking intake of certain foods and macronutrients in adults in South West Nigeria.


Subject(s)
Energy Intake , Neoplasms , Humans , Nigeria/epidemiology , Surveys and Questionnaires , Diet Surveys , Reproducibility of Results , Diet , Carbohydrates , Neoplasms/epidemiology , Diet Records
19.
Cancer Biomark ; 36(1): 17-30, 2023.
Article in English | MEDLINE | ID: mdl-35871322

ABSTRACT

BACKGROUND: African colorectal cancer (CRC) rates are rising rapidly. A low-cost CRC screening approach is needed to identify CRC from non-CRC patients who should be sent for colonoscopy (a scarcity in Africa). OBJECTIVE: To identify urinary metabolite biomarkers that, combined with easy-to-measure clinical variables, would identify patients that should be further screened for CRC by colonoscopy. Ideal metabolites would be water-soluble and easily translated into a sensitive, low-cost point-of-care (POC) test. METHODS: Liquid-chromatography mass spectrometry (LC-MS/MS) was used to quantify 142 metabolites in spot urine samples from 514 Nigerian CRC patients and healthy controls. Metabolite concentration data and clinical characteristics were used to determine optimal sets of biomarkers for identifying CRC from non-CRC subjects. RESULTS: Our statistical analysis identified N1, N12-diacetylspermine, hippurate, p-hydroxyhippurate, and glutamate as the best metabolites to discriminate CRC patients via POC screening. Logistic regression modeling using these metabolites plus clinical data achieved an area under the receiver-operator characteristic (AUCs) curves of 89.2% for the discovery set, and 89.7% for a separate validation set. CONCLUSIONS: Effective urinary biomarkers for CRC screening do exist. These results could be transferred into a simple, POC urinary test for screening CRC patients in Africa.


Subject(s)
Colorectal Neoplasms , Early Detection of Cancer , Humans , Chromatography, Liquid/methods , Early Detection of Cancer/methods , Tandem Mass Spectrometry , Biomarkers, Tumor/metabolism , Colorectal Neoplasms/metabolism
20.
Ecancermedicalscience ; 17: 1609, 2023.
Article in English | MEDLINE | ID: mdl-38414971

ABSTRACT

Background: Axillary lymph node staging is essential for making therapeutic decisions and for prognostication. A minimum of ten lymph nodes is recommended for accurate staging. This study describes the process and outcomes of an audit cycle that resulted in a novel intervention instituted to improve concordance with guidelines. Methods: The study began with a retrospective audit of lymph node retrieval following axillary lymph node dissection (ALND). Subsequent phases evaluated the efficacy of immediate lymph node extraction before fixation by comparing the mean number of lymph nodes and the proportion of guideline-concordant cases to retrospective data and concurrent cases without the intervention. Results: The mean number of lymph nodes retrieved in the retrospective phase was 5.2, which is less than the recommended threshold. The intervention resulted in a significant increase in lymph node retrieval over the baseline rate (13.7 versus 5.2, p = 0.026). There was also a significantly higher number of lymph nodes following the intervention compared to concurrent cases managed during the same period without the intervention (13.7 versus 7.9, p = 0.004). The concordance rate was 89% in the intervention group compared to 47% in the non-intervention group (p = 0.019). There was no significant difference when the intervention was administered by either surgeons or pathologists (13.5 versus 12, p = 0.25). Conclusion: Immediate extraction of lymph nodes resulted in significant improvement of concordant lymph node retrieval in all phases of the study. We recommend that this practice be validated in larger cohorts for possible recommendation as an effective way of improving lymph node retrieval following ALND.

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