Publications by authors named "Karin Bergmark"

Background: Tinzaparin, a low-molecular weight heparin (LMWH), has shown anti-neoplastic properties in animal models and in in vitro studies of human cancer cell lines. The reduction of CA-125 levels during neoadjuvant chemotherapy (NACT) in patients with epithelial ovarian cancer (EOC) co-varies with the prognosis; the larger the decrease in CA-125, the better the prognosis.

Purpose: This study aims to evaluate the potential anti-neoplastic effects of tinzaparin by investigating changes in serum CA-125 levels in advanced EOC patients who receive NACT.

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Purpose: To determine the effects of intra-abdominal surgery on the intensities of 5 radiation-induced intestinal syndromes in survivors of pelvic cancer.

Methods And Materials: The analysis included 623 women born in 1927 or later who had survived cancer. They all had received external radiation therapy toward the pelvic area to treat gynecologic cancers.

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Pelvic radiotherapy is a powerful treatment for a broad range of cancers, including gynecological, prostate, rectal, and anal cancers. Despite improvements in the delivery of ionizing beams, damage to non-cancerous tissue can cause long-term effects that are potentially severe, affecting quality of life and daily function. There is an urgent need for new strategies to treat and reverse the side effects of pelvic radiotherapy without compromising the antitumor effect.

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Background: Radiotherapy is effective in the treatment of cancer but also causes damage to non-cancerous tissue. Pelvic radiotherapy may produce chronic and debilitating bowel symptoms, yet the underlying pathophysiology is still undefined. Most notably, although pelvic radiotherapy causes an acute intestinal inflammation there is no consensus on whether the late-phase pathophysiology contains an inflammatory component or not.

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Astatine-211 (At) has physical properties that make it one of the top candidates for use as a radiation source for alpha particle-based radionuclide therapy, also referred to as targeted alpha therapy (TAT). Here, we summarize the main results of the completed clinical trials, further describe ongoing trials, and discuss future prospects.

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Purpose: Vaginal changes, a frequently reported late effect among women treated with pelvic radiotherapy, can result in sexual dysfunction and distress. Women are recommended vaginal dilator therapy after completed radiotherapy; however, low adoption has been recognized. This study aims to provide insight into women's difficulties with carrying out vaginal dilator therapy and their experiences of information.

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Purpose: The aim of this randomized controlled trial was to evaluate the potential benefit from 2 probiotic bacteria of the species against radiation therapy-induced comorbidities.

Methods And Materials: Women (>18 years of age) scheduled for radiation therapy because of gynecologic cancer were randomly allocated to consume placebo or either low-dose probiotics (1 × 10 colony-forming unit/capsule twice daily) or high-dose probiotics (5 × 10 colony-forming unit/capsule twice daily). The intervention started approximately 1 week before the onset of radiation therapy and continued until 2 weeks after completion.

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Purpose: Treatment-induced sexual and intestinal dysfunctions coexist among women after pelvic radiotherapy. We aimed to explore if sexual health and wellbeing may be improved after radiotherapy following nurse-led interventions and if an association exists between improved intestinal health and sexual health.

Methods: A population-based cohort of women treated with pelvic radiotherapy underwent interventions at a nurse-led clinic at Sahlgrenska University Hospital, Sweden, from 2011 to 2017.

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Patients undergoing pelvic radiotherapy are often advised to omit fiber-rich foods from their diet to reduce the adverse effects of treatment. Scientific evidence supporting this recommendation is lacking, and recent studies on animals and humans have suggested that there is a beneficial effect of dietary fiber for the alleviation of symptoms. Randomized controlled studies on dietary fiber intake during pelvic radiotherapy of sufficient size and duration are needed.

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Purpose: The study 'Health among women after pelvic radiotherapy' was conducted in response to the need for more advanced and longitudinal data concerning long-term radiotherapy-induced late effects and chronic states among female cancer survivors. The objective of this paper is to detail the cohort profile and the study procedure in order to provide a sound basis for future analyses of the study cohort.

Participants: Since 2011, and still currently ongoing, participants have been recruited from a population-based study cohort including all female patients with cancer, over 18 years of age, treated with pelvic radiotherapy with curative intent at Sahlgrenska University Hospital in Gothenburg, in the western region of Sweden, which covers 1.

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Aims: Sexual abuse is a women's health concern globally. Although experience of sexual abuse and cancer may constitute risk factors for sexual dysfunction and low wellbeing, the effects of sexual abuse have received little attention in oncology care. This study aims to explore sexual health and wellbeing in women after pelvic radiotherapy and to determine the relationship between sexual abuse and sexual dysfunction, and decreased wellbeing.

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Problematic internet use, internet addiction, and internet gaming disorder all describe a global phenomenon where individuals have trouble limiting their use of internet to such an extent that their use has negative consequences. Past systematic reviews and meta-analyses have focused on estimating prevalence, but there has been no comprehensive research synthesis of the trajectory of the problem. The research objective was to create a pooled estimate of the persistence of problematic internet use.

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Background: The study aims to determine possible dose-volume response relationships between the rectum, sigmoid colon and small intestine and the 'excessive mucus discharge' syndrome after pelvic radiotherapy for gynaecological cancer.

Methods And Materials: From a larger cohort, 98 gynaecological cancer survivors were included in this study. These survivors, who were followed for 2 to 14 years, received external beam radiation therapy but not brachytherapy and not did not have stoma.

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Background And Aims: Problematic internet use (PIU), and kindred concepts such as internet addiction (IA), make up a growing research field, partly due to the suggested inclusion of internet gaming disorder in a future DSM-6 as well as the fact that gaming disorder is on its way to being included in the ICD-11. Conclusions from research are far from unified. This study aims to synthesise the research field of problematic internet use/internet addiction/gaming disorder, with a focus on the reporting of prevalence and change.

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Background: Since smoking is the leading cause of preventable death, discouraging smoking initiation, encouraging smoking cessation, and exploring factors that help individuals to stay smoke free are immensely important. One such relevant factor may be the impact of lifestyle for long-term smoking cessation.

Method: A representative sample of successful quitters was recruited for a study about smoking cessation.

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Sex steroid hormones and their receptors are important in female sexual function. The aim of this study was to investigate the expression and distribution of estrogen receptor (ER)α, ERβ, G-protein-coupled ER-1 (GPER), androgen receptor (AR), progesterone receptor (PR)A, PRB and connective tissue growth factor (CTGF) in the vaginal wall among women who had been treated for cervical cancer with radiotherapy. We included cervical cancer survivors treated with radiotherapy and premenopausal control women of the same age scheduled for benign gynecological surgery.

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Eliminating microscopic residual disease with α-particle radiation is theoretically appealing. After extensive preclinical work with α-particle-emitting At, we performed a phase I trial with intraperitoneal α-particle therapy in epithelial ovarian cancer using At conjugated to MX35, the antigen-binding fragments-F(ab')-of a mouse monoclonal antibody. We now present clinical outcome data and toxicity in a long-term follow-up with individual absorbed dose estimations.

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Background: Despite the experimental evidence that certain dietary compounds lower the risk of radiation-induced damage to the intestine, clinical data are missing and dietary advice to irradiated patients is not evidence-based.

Materials And Methods: We have previously identified 28 intestinal health-related symptoms among 623 gynaecological-cancer survivors (three to fifteen years after radiotherapy) and 344 matched population-based controls. The 28 symptoms were grouped into five radiation-induced survivorship syndromes: defecation-urgency syndrome, fecal-leakage syndrome, excessive mucus discharge, excessive gas discharge and blood discharge.

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Purpose: Our aim was to evaluate fertility-sparing surgery of early stage cervical cancer after the introduction of vaginal trachelectomy (VT) and pelvic lymph node dissection (PLND). The objectives were to assess surgical, long-term oncological, fertility, and obstetric outcomes together with self-assessed quality of life (QoL).

Methods: All women ≤ 40 years diagnosed with early stage cervical cancers IA1-IB1 and ≤ 2 cm treated by VT and PLND between 2000 and 2014 were included.

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Article Synopsis
  • - In a study on advanced cervical cancer, researchers assessed the impact of combining FDG-PET/CT with MRI on radiotherapy planning for patients scheduled for treatment.
  • - Out of 25 patients, 46% had changes in their treatment plans due to the added information from FDG-PET/CT, and 64% of those had no disease at a four-year follow-up.
  • - The findings suggest that using both imaging techniques improves detection of cancer spread and may enhance survival chances for patients facing locally advanced cervical cancer.
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Purpose: To find out what organs and doses are most relevant for 'radiation-induced urgency syndrome' in order to derive the corresponding dose-response relationships as an aid for avoiding the syndrome in the future.

Material And Methods: From a larger group of gynecological cancer survivors followed-up 2-14 years, we identified 98 whom had undergone external beam radiation therapy but not brachytherapy and not having a stoma. Of those survivors, 24 developed urgency syndrome.

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We greatly appreciate the care and thought that is evident in the 10 commentaries that discuss our debate paper, the majority of which argued in favor of a formalized ICD-11 gaming disorder. We agree that there are some people whose play of video games is related to life problems. We believe that understanding this population and the nature and severity of the problems they experience should be a focus area for future research.

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Background: Women who have been treated for cervical cancer have persistent changes in their sexual function, which result in considerable distress. The aim of this study was to investigate the morphology of the vaginal epithelium in cervical cancer survivors treated with radiotherapy and its correlation to serum levels of sex steroid hormones and sexual function.

Material And Methods: We included 34 patients treated for cervical cancer with radiotherapy and 37 healthy age-matched control women scheduled for benign gynecological surgery.

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Background: It is unknown whether smoking; age at time of radiotherapy or time since radiotherapy influence the intensity of late radiation-induced bowel syndromes.

Material And Methods: We have previously identified 28 symptoms decreasing bowel health among 623 gynecological-cancer survivors (three to twelve years after radiotherapy) and 344 matched population-based controls. The 28 symptoms were grouped into five separate late bowel syndromes through factor analysis.

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