Publications by authors named "Audrey T Tsunoda"

Objective: To evaluate the correlation between socioeconomic and healthcare factors and cervical cancer mortality rates, as well as the accessibility to prevention and treatment across Brazilian states and macroregions. The aim is to highlight the multifaceted challenge of addressing cervical cancer mortality, particularly in low- and middle-income countries.

Methods: This cross-sectional study analyzed public data from the Brazilian National Institute of Cancer (INCA), the National Institute of Geography and Statistics (IBGE), and the Brazilian Ministry of Health.

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Article Synopsis
  • The study examined the quality of life (QoL) of women with cervical cancer, emphasizing the importance of considering sexual health amid societal taboos surrounding the topic.
  • It compared long-term QoL outcomes among different treatment methods: chemotherapy/radiotherapy/brachytherapy, hysterectomy alone, and hysterectomy with radiotherapy, involving 131 patients.
  • Results indicated that patients who had isolated hysterectomy reported better QoL scores than those undergoing more aggressive therapies, highlighting the need for comprehensive care that includes addressing sexual concerns in survivorship.
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Objective: To analyze the relationship between hospitalization and the occurrence of delirium in older adults with physical frailty.

Method: Cross-sectional study carried out in a public hospital in southern Brazil. Hospitalized older adults aged ≥ 60 years participated.

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Objectives: To evaluate the prevalence of post-operative complications and quality of life (QoL) related to sentinel lymph node (SLN) biopsy vs systematic lymphadenectomy in endometrial cancer.

Methods: A prospective cohort included women with early-stage endometrial carcinoma who underwent lymph node staging, grouped as follows: SLN group (sentinel lymph node only) and SLN+LND group (sentinel lymph node biopsy with addition of systematic lymphadenectomy). The patients had at least 12 months of follow-up, and QoL was assessed by European Organization for Research and Treatment of Cervical Cancer Quality of Life Questionnaire 30 (EORTC-QLQ-C30) and EORTC-QLQ-Cx24.

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Importance: Many randomized clinical trials (RCTs) led by high-income countries (HICs) now enroll patients from lower middle-income countries (LMICs) and upper middle-income countries (UMICs). Although enrolling diverse populations promotes research collaborations, there are issues regarding which countries participate in RCTs and how this participation may contribute to global research.

Objective: To describe which UMICs and LMICs participate in RCTs led by HICs.

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Objective: Several controversies remain on conservative management of cervical cancer. Our aim was to develop a consensus recommendation on important and novel topics of fertility-sparing treatment of cervical cancer.

Methods: The consensus was sponsored by the Brazilian Society of Surgical Oncology (BSSO) from March 2020 to September 2020 and included a multidisciplinary team of 55 specialists.

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Background: Risk-reducing operations are an important part of the management of hereditary predisposition to cancer. In selected cases, they can considerably reduce the morbidity and mortality associated with cancer in this population.

Objectives: The Brazilian Society of Surgical Oncology (BSSO) developed this guideline to establish national benchmarks for cancer risk-reducing operations.

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Article Synopsis
  • Risk-reducing surgeries are key for managing hereditary cancer risks, significantly lowering the associated health issues and mortality.
  • The Brazilian Society of Surgical Oncology developed guidelines to provide national standards for these surgical procedures.
  • A team of experts reviewed literature and conducted discussions to create recommendations, achieving consensus on various risk-reduction surgeries like mastectomy and hysterectomy.
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Background: Growing evidence suggest that sentinel lymph node (SLN) biopsy in endometrial cancer accurately detects lymph node metastasis. However, prospective randomized trials addressing the oncological outcomes of SLN biopsy in endometrial cancer without lymphadenectomy are lacking.

Primary Objectives: The present study aims to confirm that SLN biopsy without systematic node dissection does not negatively impact oncological outcomes.

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The COVID-19 pandemic has had an unprecedented impact on global health systems and economies. With ongoing and future challenges posed to the field due to the pandemic, re-examining research priorities has emerged as a concern. As part of a wider project aiming to examine research priorities, here we aimed to qualitatively examine the documented impacts of the COVID-19 pandemic on cancer researchers.

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Purpose: To analyze the survival outcomes of patients in a Brazilian cohort who underwent minimally invasive surgery (MIS) compared with open surgery for early stage cervical cancer.

Methods: A multicenter database was constructed, registering 1280 cervical cancer patients who had undergone radical hysterectomy from 2000 to 2019. For the final analysis, we included cases with a tumor ≤ 4 cm (stages Ia2 to Ib2, FIGO 2018) that underwent surgery from January 2007 to December 2017.

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Objective: The objective of the ConCerv Trial was to prospectively evaluate the feasibility of conservative surgery in women with early-stage, low-risk cervical cancer.

Methods: From April 2010 to March 2019, a prospective, single-arm, multicenter study evaluated conservative surgery in participants from 16 sites in nine countries. Eligibility criteria included: (1) FIGO 2009 stage IA2-IB1 cervical carcinoma; (2) squamous cell (any grade) or adenocarcinoma (grade 1 or 2 only) histology; (3) tumor size 2 cm; (4) no lymphovascular space invasion; (5) depth of invasion 10 mm; (6) negative imaging for metastatic disease; and (7) negative conization margins.

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Objective: Uterine transposition has emerged as an alternative for fertility preservation in women with pelvic malignancies that require radiotherapy. The goal of this study was to evaluate the short-term outcomes of patients undergoing uterine transposition after trachelectomy for cervical cancer or before chemoradiation for vaginal cancer.

Methods: We retrospectively evaluated patients with early stage cervical cancer after radical trachelectomy or with vaginal cancer with indication for pelvic radiation who had uterine transposition performed as fertility sparing strategy.

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Objective: Revised staging of patients with locally advanced cervical cancer is based on clinical examination, imaging, and potential surgical findings. A known limitation of imaging techniques is an appreciable rate of understaging. In contrast, surgical staging may provide more accurate information on lymph node involvement.

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Objective: To evaluate the difference between early and delayed removal of indwelling urinary catheter after radical hysterectomy (RH) or radical trachelectomy (RT).

Methods: An ambispective study was conducted in early-stage cervical cancer patients who underwent RH or RT. Delayed indwelling urinary catheter removal occurred on a postoperative day (POD) 7 in the retrospective group (January 2012-November 2013), and early removal occurred on POD 1 in the prospective group (May 2014-June 2017).

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The adoption of the goal of universal health coverage and the growing burden of cancer in low- and middle-income countries makes it important to consider how to provide cancer care. Specific interventions can strengthen health systems while providing cancer care within a resource-stratified perspective (similar to the World Health Organization-tiered approach). Four specific topics are discussed: essential medicines/essential diagnostics lists; national cancer plans; provision of affordable essential public services (either at no cost to users or through national health insurance); and finally, how a nascent breast cancer program can build on existing programs.

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Background: Radical trachelectomy is considered a viable option for fertility preservation in patients with low-risk, early-stage cervical cancer. Standard approaches include laparotomy or minimally invasive surgery when performing radical trachelectomy.

Primary Objective: To compare disease-free survival between patients with FIGO (2009) stage IA2 or IB1 (≤2cm) cervical cancer who underwent open versus minimally invasive (laparoscopic or robotic) radical trachelectomy.

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This review concerns the uterine transposition technique for preserving fertility in patients who require pelvic radiotherapy. Uterine transposition was developed from adapting well-established surgical techniques with the goal of keeping the uterus and adnexa outside the radiotherapy field in order to preserve their function. The uterine transposition technique is presented step by step, with discussion of the literature that served as the basis for the technique's development.

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Objective: To translate and perform the cultural adaptation of the tool Functional Assessment of Chronic Illness Therapy - Cervical Dysplasia (FACIT-CD) to the Portuguese language.

Methods: A descriptive cross-sectional study, with translation and cultural adaptation of the assessment tool performed according to international guidelines and the Functional Assessment of Chronic Illness Therapy (FACIT) protocol group. It involved eight experts, six from Brazil, one from Portugal and one from the United States.

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Gynecologic cancer, cervical cancer in particular, is disproportionately represented in the developing world where mortality is also high. Screening programs, increased availability of chemotherapy, and an awareness of HIV-related cancers have in part accelerated a need for physicians who can treat these cancers, yet the infrastructure for such training is often lacking. In this paper, we address the variations in gynecology oncology training in LMICs as well as the ubiquitous challenges, in an effort to guide future agendas.

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Background: Surgical staging is associated with a significant rate of upstaging compared to clinical/radiological staging in patients with locally advanced cervical cancer.

Objective: To analyze the stage-specific percentage of pelvic and para-aortic lymph node metastases and the upstaging ratio in a prospective randomized trial (Uterus-11).

Methods: FIGO stage IIB-IVA cervical cancer patients were randomized to surgical staging (arm A) or to clinical staging and primary chemoradiation (arm B).

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Background: Diffusion Weighted (DW) Magnetic Resonance Imaging (MRI) has been studed in several cancers including cervical cancer. This study was designed to investigate the association of DW-MRI parameters with baseline clinical features and clinical outcomes (local regional control (LRC), disease free survival (DFS) and disease specific survival (DSS)) in cervical cancer patients treated with definitive chemoradiation.

Methods: This was a retrospective study approved by an institutional review board that included 66 women with cervical cancer treated with definitive chemoradiation who underwent pre-treatment MRI at our institution between 2012 and 2013.

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Article Synopsis
  • - Cervical cancer is the most common gynecological cancer in Brazil and many developing countries, and laparoscopy is becoming a popular treatment option.
  • - Laparoscopy allows for fertility-preserving surgeries in early-stage cases and is moving towards being the standard treatment for those not wishing to have more children.
  • - In advanced cases, minimally invasive surgery can help position the ovaries to avoid radiation damage while also aiding in accurate cancer staging through lymphadenectomy to adjust radiotherapy plans.
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