Publications by authors named "Min-Hae Park"

Background: Randomised controlled trials (RCTs) reported adjuvant trastuzumab-based treatment improved overall survival (OS) among patients with HER2-positive early invasive breast cancer (EIBC). Few RCTs included older patients or those with comorbidity/frailty. This study aimed to determine whether the effect of adjuvant trastuzumab-based treatment on survival outcomes varies by patient age and fitness, using national data from routine care.

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Background: This study assessed the influence of age, co-morbidity and frailty on 5-year survival outcomes after breast conservation surgery (BCS) with radiotherapy (RT) versus mastectomy (with or without RT) in women with early invasive breast cancer.

Methods: Women aged over 50 years with early invasive breast cancer diagnosed in England (2014-2019) who had breast surgery were identified from Cancer Registry data. Survival estimates were calculated from a flexible parametric survival model.

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Objective: To investigate the association between the sidedness of orofacial clefts and additional congenital malformations.

Design: Linkage of a national registry of cleft births to national administrative data of hospital admissions.

Setting: National Health Service, England.

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Introduction: Older women with early invasive breast cancer (EIBC) are more likely to receive a mastectomy compared with younger women. This study assessed factors associated with receiving a mastectomy among older women with EIBC, with a particular focus on comorbidity and frailty.

Materials And Methods: Women diagnosed with EIBC (stages I-IIIa) aged ≥50 years from 2014 to 2019 in English and Welsh NHS organisations who received breast surgery were identified from cancer registration datasets linked to routine hospital data.

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Background: Multiple drug treatments are approved for invasive breast cancer (IBC). We investigated uptake of NICE-recommended oncological drugs and variation by age, comorbidity burden and geographical region.

Methods: Women (aged 50+ years) diagnosed with IBC from 2014 to 2019, were identified from England Cancer Registry data and drug utilisation from Systemic Anti-Cancer Therapy data.

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Objective: Although adjuvant trastuzumab-based treatment (TBT) improves survival for patients with HER2-positive early invasive breast cancer (EIBC), risk of toxicity grows as patient age increases. We examined use of TBT and associated severe acute toxicity event (SATE) rates to understand the real-world impact.

Methods And Analysis: Women (50+ years), newly diagnosed with HER2-positive EIBC in England, 2014-2019, were identified from Cancer Registry data, linked to the Systemic Anti-Cancer Therapy dataset for TBT information.

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Background: Endocrine therapy (ET) is a widely used treatment for breast cancer. In the UK, use is typically initiated in secondary care, with subsequent treatment in primary care. Evaluating use of ET depends on data sources containing accurate and complete information.

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Objective: To quantify differences in number and timing of first primary cleft lip and palate (CLP) repair procedures during the first year of the COVID-19 pandemic (1 April 2020 to 31 March 2021; 2020/2021) compared with the preceding year (1 April 2019 to 31 March 2020; 2019/2021).

Design: National observational study of administrative hospital data.

Setting: National Health Service hospitals in England.

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Objectives: (1) To explore differences in educational attainment between children born with isolated clefts and the general population at ages 5, 7 and 11 years; (2) to describe longitudinal changes in attainment among children with cleft through primary education.

Design: Analysis of Cleft Registry and Audit Network data linked to national educational outcomes.

Setting: English state schools.

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Background: The National Oesophago-Gastric Cancer Audit (NOGCA) captures patient data from diagnosis to end of primary treatment for all patients with oesophagogastric (OG) cancer in England and Wales. This study assessed changes in patient characteristics, treatments received, and outcomes for OG cancer surgery for the period 2012-2020, and examined which factors may have led to changes in clinical outcomes over this time.

Methods: Patients diagnosed with OG cancer between April 2012 and March 2020 were included.

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Background: Evaluating uptake of oncological treatments, and subsequent outcomes, depends on data sources containing accurate and complete information about cancer drug therapy (CDT). This study aimed to evaluate the consistency of CDT information in the Hospital Episode Statistics Admitted Patient Care (HES-APC) and Systemic Anti-Cancer Therapy (SACT) datasets for early invasive breast cancer (EIBC).

Methods: The study included women (50 + years) diagnosed with EIBC in England from 2014 to 2019 who had surgery within six months of diagnosis.

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Objective: This study aimed to evaluate the procedural outcomes and learning curve of type I endoscopic tympanoplasty (ET) performed by a single surgeon.

Methods: This was a retrospective study of 376 patients who underwent type I ET performed by a single surgeon over 7 years. We evaluated the pre/post air-bone gap (ABG), time required for surgery, changes in pain after surgery, success, and failure rate of type I ET.

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To investigate the relationship between patient-related factors (sex, cleft type, cleft extent, and Robin Sequence [RS]) and speech outcome at 5 years of age for children born with a cleft palate ±  lip (CP ± L). 3157 Children (1426 female:1731 male) with a nonsyndromic CP ± L, born between 2006 and 2014 in England, Wales, and Northern Ireland. Perceptual speech analysis utilized the Cleft Audit Protocol for Speech-Augmented (CAPS-A) rating and UK National Speech Outcome Standards: Speech Standard 1 (SS1)-speech within the normal range, SS2a-no structurally related speech difficulties or history of speech surgery, and SS3-speech without significant cleft-related articulation difficulties.

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Introduction: Conformity with treatment guidelines should benefit patients. Studies have reported variation in adherence to breast cancer (BC) guidelines, particularly among older women. This study investigated (i) whether adherence to treatment guideline recommendations for women with non-metastatic BC improves overall survival (OS), (ii) whether that relationship varies by age.

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Article Synopsis
  • Perioperative chemotherapy for oesophagogastric adenocarcinoma (OGAC) shows a significant survival advantage compared to surgery alone, but less than half of patients receive postoperative treatment due to clinicians' uncertainties and patients’ fitness levels.
  • A study analyzed data from patients diagnosed with OGAC between 2012 and 2018, assessing the effects of postoperative chemotherapy on survival outcomes using a population-based approach.
  • Results indicated that patients receiving postoperative chemotherapy had a median survival of 62.7 months versus 50.4 months for those who did not, highlighting the beneficial impact of the additional chemotherapy following surgery.
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Objectives: To examine school absence and academic achievement among 7-year-old children with isolated orofacial clefts in England.

Design: Analysis of educational data linked to national cleft registry and administrative hospital data.

Setting: English state schools.

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Objective: To assess school policies, built environment and practices for prevention and control of non-communicable diseases in schools of Delhi, India.

Methods: School built environments and policies were assessed using a structured observation checklist in 10 private and 9 government schools which were randomly selected from all 184 co-educational schools with primary to senior secondary level education in Delhi, India. A self-administered questionnaire was also completed by teachers from each school (n = 19) to capture information specific to school policies.

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Objectives: We aimed to describe (1) the burden and health-related quality of life (HRQL) of informal caregivers of new patients attending a memory assessment service (MAS), (2) changes in these outcomes over 2 years, and (3) satisfaction with services.

Methods: Informal caregivers of patients attending one of 73 MASs throughout England completed questionnaires at the patient's first appointment, and 6 and 12 months later. Participants from 30 of these MASs were also followed up at 24 months.

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Background: The Milan System for Reporting Salivary Gland Cytopathology (Milan System) has previously shown its diagnostic utility by categorizing the seven cytology findings in salivary gland lesions. However, there has been lack of study about the risk of high-grade malignancy in the cytology diagnosis based on the Milan System. Thus, we tried to identify the diagnostic ability of the Milan System for high-grade malignancy and to suggest an improved diagnostic approach for preoperative estimation of high-grade malignancy using the Milan System.

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Objectives: We aimed to describe 1) the burden and HRQL of informal caregivers of new patients attending a memory assessment service (MAS), 2) changes in these outcomes over two years and 3) satisfaction with services.

Methods: Informal caregivers of patients attending one of 73 MASs throughout England completed questionnaires at the patient's first appointment, and 6 and 12 months later. Participants from 30 of these MASs were also followed up at 24 months.

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We aimed to identify, describe and analyse school environment assessment (SEA) tools that address behavioural risk factors (unhealthy diet, physical inactivity, tobacco and alcohol consumption) for non-communicable diseases (NCD). We searched in MEDLINE and Web of Science, hand-searched reference lists and contacted experts. Basic characteristics, measures assessed and measurement properties (validity, reliability, usability) of identified tools were extracted.

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Objectives: Our group has already demonstrated that patients' health-related quality of life (HRQL) improves in the first 6 months after their first appointment at memory assessment services (MASs), but the sustainability of such gains is unknown. We aimed to describe changes in patients' HRQL at 12 months after their first MAS appointment and to examine associations with patient and MAS characteristics.

Methods: We collected data from 702 patients and 452 lay caregivers at the first appointment and 12 months later.

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High blood pressure is a risk factor for atherosclerosis in adults, but whether the same is true in children and young people is not known. This is important to guide management of high blood pressure in children and young people. We aimed to investigate the association in children and young people between blood pressure and carotid intima-media thickness, a non-invasive marker of atherosclerosis, through a systematic review.

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Background: Globally, non-communicable diseases (NCDs) are identified as one of the leading causes of mortality. NCDs have several modifiable risk factors including unhealthy diet, physical inactivity, tobacco use and alcohol abuse. Schools provide ideal settings for health promotion, but the effectiveness of school policies in the reduction of risk factors for NCD is not clear.

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