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1.
Gan To Kagaku Ryoho ; 49(8): 887-889, 2022 Aug.
Artigo em Japonês | MEDLINE | ID: mdl-36046976

RESUMO

Subcutaneous implantable venous ports were placed in 414 patients between April 2016 and August 2021 for the purpose of breast cancer chemotherapy in our hospital. Although the internal jugular vein approach was selected to prevent fractures caused by pinch-off syndrome, catheter fracture occurred in 8 patients(1.9%). All patients were ADL-independent women aged 44-62 years(median, 50.5 years). The intravenous ports were placed on the side of the dominant and non-dominant hands in 4 and 4 patients, respectively. Six patients received perioperative chemotherapy, while 2 had advanced breast cancer. Catheter fractures occurred 17.7-54.2 months(median, 41.7 months)after placement. The fractures were discovered when the patients presented with one or more of the following conditions: poor backflow of blood (n=4), subcutaneous emphysema observed on CT(n=1), subcutaneous leakage of CT contrast media(n=3), and no sign or symptom(n=1). The fractures occurred in the clavicular subcutaneous part in all patients. Partial and complete fractures of the catheter occurred in 5 and 3 patients, respectively. In 3 patients with complete fracture of the catheter, catheter tips had strayed into the right atrium and were removed using percutaneous endovascular procedures.


Assuntos
Neoplasias da Mama , Cateterismo Venoso Central , Cateteres Venosos Centrais , Neoplasias da Mama/tratamento farmacológico , Neoplasias da Mama/etiologia , Neoplasias da Mama/cirurgia , Cateterismo Venoso Central/efeitos adversos , Cateteres de Demora/efeitos adversos , Cateteres Venosos Centrais/efeitos adversos , Feminino , Átrios do Coração , Humanos , Veias Jugulares
2.
Gan To Kagaku Ryoho ; 48(9): 1133-1137, 2021 Sep.
Artigo em Japonês | MEDLINE | ID: mdl-34521791

RESUMO

We conducted a questionnaire survey of patients with breast cancer who underwent implantation of a subcutaneous central venous port system for chemotherapy; we aimed to evaluate their satisfaction with the port and difficulties in daily life. Overall, 130 patients with breast cancer who underwent port implantation for chemotherapy between 2016 and 2018 responded to our survey. Although the overall satisfaction was high(78.5%), 82(63.1%)patients reported difficulties in daily life, such as"pain or discomfort,""irritation over the implanted area while wearing a seat belt,"and"unable to wear a bag across their bodies."Some patients(10.8%)responded that these negative factors were associated with difficulties in carrying out social roles. The proportion of patients who understood the explanation provided before port implantation was 80.0%, and the satisfaction of these patients tended to be high(85.6%).


Assuntos
Neoplasias da Mama , Cateterismo Venoso Central , Neoplasias da Mama/tratamento farmacológico , Cateterismo Venoso Central/efeitos adversos , Cateteres de Demora , Feminino , Humanos , Satisfação do Paciente , Satisfação Pessoal , Inquéritos e Questionários
3.
World J Oncol ; 11(5): 197-203, 2020 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-33117463

RESUMO

BACKGROUND: The aim of this phase II study was to evaluate combined nab-paclitaxel (nab-PTX) with sequential anthracycline-based therapy as a neoadjuvant chemotherapy. METHODS: We enrolled 41 patients with advanced breast cancer (stage IIA - IIIC). All patients were to receive three-weekly nab-PTX (260 mg/m2) for four cycles followed by three-weekly 5-fluorouracil, epirubicin and cyclophosphamide (FEC) for four cycles. Trastuzumab administration was permitted in human epidermal growth factor receptor 2 (HER2)-positive patients. RESULTS: The overall pathological complete response (pCR) rate was 24% (10 of 41). In patients with luminal A, luminal B (HER2-), luminal B (HER2+), triple-negative and HER2, the pCR rates were 0% (0/2), 7% (1/14), 42% (3/7), 25% (4/16) and 100% (2/2), respectively. The most significant toxicities of nab-PTX were grade 2/3 peripheral sensory neuropathy (24%) and grade 3/4 neutropenia (26%). Febrile neutropenia was not observed in any patient. The most significant toxicities of FEC were grade 3/4 neutropenia (24%) and grade 3 febrile neutropenia (9%). One patient died of sepsis secondary to pneumonia during FEC treatment. CONCLUSIONS: Neoadjuvant chemotherapy using nab-PTX with trastuzumab every 3 weeks followed by FEC was suitably tolerated and associated with a high pCR rate of 55% for patients with HER2-positive breast cancer.

4.
Gan To Kagaku Ryoho ; 46(3): 552-554, 2019 Mar.
Artigo em Japonês | MEDLINE | ID: mdl-30914611

RESUMO

We report a case of breast cancer with cartilaginous differentiation that responded well to chemotherapy, which completely eliminated distant metastasis. A 63-year-old woman visited our hospital complaining of a large hemorrhagic mass measuring 15 cm in diameter with ulceration of the left breast. Palpation revealed swelling of the left axillary and right supraclavicular (SC)lymph nodes, suggesting breast cancer metastasis. A CT scan revealed metastasis in the right lung measuring 2.5 cm in size. She underwent a total mastectomy with axillary dissection. The pathological findings were as follows; breast carcinoma with cartilaginous differentiation accompanied by a single lymph node metastasi(s 1/21)and skin involvement, ly0, v0, ER(-), PgR(-), HER2 0, Ki-67 80%. Four courses of AC therapy were administered as postoperative chemotherapy, which resulted in a decrease in the size of the SC lymph node to 1 cm. Subsequently, 12 courses of weekly paclitaxel yielded a complete response of the lung and SC lymph node metastasis. Oral administration of S-1 after paclitaxel therapy resulted in no recur- rence for 16 months after the operation.


Assuntos
Neoplasias da Mama , Axila , Neoplasias da Mama/patologia , Neoplasias da Mama/terapia , Cartilagem , Feminino , Humanos , Metástase Linfática , Mastectomia , Pessoa de Meia-Idade , Recidiva Local de Neoplasia
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