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  1. Article: Cytoreductive surgery and hyperthermic intraperitoneal chemotherapy in gastrointestinal cancers: fad or standard of care?

    Teo, Melissa Ching Ching / Tan, Grace Hwei Ching

    Singapore medical journal

    2018  Volume 59, Issue 3, Page(s) 116–120

    Abstract: Peritoneal metastases (PM) are the common endpoint for patients with advanced gastrointestinal cancers. PM from these cancers are often managed in a similar fashion to other sites of systemic metastases, but the following must be taken into consideration. ...

    Abstract Peritoneal metastases (PM) are the common endpoint for patients with advanced gastrointestinal cancers. PM from these cancers are often managed in a similar fashion to other sites of systemic metastases, but the following must be taken into consideration. (a) PM do not respond to systemic chemotherapy in the same fashion as liver and lung metastases. (b) PM cause local problems, resulting in disruption of chemotherapy. (c) Cytoreductive surgery and hyperthermic intraperitoneal chemotherapy (CRS-HIPEC) actually work for PM. (d) PM are not easily detected on imaging modalities. There has been mounting evidence of the effectiveness of CRS-HIPEC at prolonging survival in selected patients with colorectal and gastric PM, but there remains a reluctance to explore this treatment modality. This is likely because of the perceived morbidity and mortality. An effective management strategy employing CRS-HIPEC for selected patients with gastrointestinal PM can only be achieved if a concerted effort is made to understand this disease and address the concerns regarding this treatment.
    MeSH term(s) Colorectal Neoplasms/pathology ; Combined Modality Therapy ; Cytoreduction Surgical Procedures ; Gastrointestinal Neoplasms/pathology ; Humans ; Hyperthermia, Induced ; Intestinal Neoplasms/pathology ; Peritoneal Neoplasms/secondary ; Peritoneal Neoplasms/therapy ; Peritoneum ; Standard of Care
    Language English
    Publishing date 2018-03-05
    Publishing country Singapore
    Document type Journal Article ; Review
    ZDB-ID 604319-7
    ISSN 0037-5675
    ISSN 0037-5675
    DOI 10.11622/smedj.2018025
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: Palliative Gastrointestinal Surgery in Patients With Advanced Peritoneal Carcinomatosis: Clinical Experience and Development of a Predictive Model for Surgical Outcomes.

    Wong, Jolene Si Min / Lek, Sze Min / Lim, Daniel Yan Zheng / Chia, Claramae Shulyn / Tan, Grace Hwei Ching / Ong, Chin-Ann Johnny / Teo, Melissa Ching Ching

    Frontiers in oncology

    2022  Volume 11, Page(s) 811743

    Abstract: Background: Palliative gastrointestinal (GI) surgery potentially relieves distressing symptoms arising from intestinal obstruction (IO) in patients with advanced peritoneal carcinomatosis (PC). As surgery is associated with significant morbidity risks ... ...

    Abstract Background: Palliative gastrointestinal (GI) surgery potentially relieves distressing symptoms arising from intestinal obstruction (IO) in patients with advanced peritoneal carcinomatosis (PC). As surgery is associated with significant morbidity risks in advanced cancer patients, it is important for surgeons to select patients who can benefit the most from this approach. Hence, we aim to determine predictors of morbidity and mortality after palliative surgery in patients with PC. In addition, we evaluate the utility of the UC Davis Cancer Care nomogram (UCDCCn) and develop a simplified model to predict short-term surgical mortality in these patients.
    Methods: A retrospective review of patients with IO secondary to PC undergoing palliative GI surgery was performed. Logistic regression was used to determine independent predictors of 30-day morbidity and mortality after surgery. UCDCCn was evaluated using the area under the curve (AUC) for discriminatory power and the Hosmer-Lemeshow test for calibration. Our simplified model was developed using logistic regression and evaluated using cross-validation.
    Results: A total of 254 palliative GI surgeries were performed over a 10-year duration. The 30-day morbidity and mortality were 43% (n = 110) and 21% (n = 53), respectively. Preoperative albumin, age, and emergency nature of surgery were significant independent predictors for 30-day morbidity. A simplified model using preoperative Eastern Cooperative Oncology Group (ECOG) status and albumin (AUC = 0.71) achieved better predictive power than UCDCCn (AUC = 0.66) for 30-day mortality.
    Conclusion: Good ECOG status and high preoperative albumin levels were independently associated with good short-term outcomes after palliative GI surgery. Our simplified model may be used to conveniently and efficiently select patients who stand to benefit the most from surgery.
    Language English
    Publishing date 2022-01-13
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2649216-7
    ISSN 2234-943X
    ISSN 2234-943X
    DOI 10.3389/fonc.2021.811743
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Can baseline quality of life scores predict for morbidity and survival after CRS and HIPEC: a prospective study of 151 patients.

    Chia, Claramae Shulyn / Ong, Chin-Ann Johnny / Zhu, Hong-Yuan / Lim, Cindy / Wong, Jolene Si Min / Tan, Grace Hwei Ching / Teo, Melissa Ching Ching

    Pleura and peritoneum

    2022  Volume 7, Issue 2, Page(s) 63–75

    Abstract: Objectives: Various studies have shown that good quality of life (QoL) can be achieved after cytoreductive surgery (CRS) and hyperthermic intraperitoneal chemotherapy (HIPEC). There is prognostic value of baseline QoL in post-operative outcome in ... ...

    Abstract Objectives: Various studies have shown that good quality of life (QoL) can be achieved after cytoreductive surgery (CRS) and hyperthermic intraperitoneal chemotherapy (HIPEC). There is prognostic value of baseline QoL in post-operative outcome in Western setting. Our prospective study aims to validate these observations and elucidate clinical factors that predict poorer QoL in Asian peritoneal carcinomatosis patients.
    Methods: European Organization for Research and Treatment of Cancer Core Quality of Life Questionnaire was administered to patients before CRS and HIPEC and thereafter at 3, 6 and 12 months.
    Results: A total of 151 patients underwent 155 surgeries. Four hundred and seventy two questionnaires were completed. Median disease-free survival (DFS) was 16.5 months. Three year DFS and overall survival (OS) were 24.0% and 73.0% respectively. Post-operative global health status significantly increased at 3, 6 and 12 months. The decreases in functional scales recovered to baseline by 1-year post-surgery. Peritoneal carcinomatosis index (PCI), presence of stoma, peritonectomy duration, death within one year, post-operative complication and length of SICU stay negatively influenced QoL. Complication rates were higher in patients with lower global health status, physical and role functioning scores and higher symptom summary scores at baseline. Lower social functioning score, and higher pain, dyspnoea and symptom summary scores at baseline were significantly associated with poorer OS.
    Conclusions: Various clinical factors can help us predict a patient's QoL after surgery. Several baseline factors were also able to predict morbidity and survival. Going forward, we can use these factors to help us better select patients who will have a greater benefit from CRS and HIPEC.
    Language English
    Publishing date 2022-04-04
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 2861909-2
    ISSN 2364-768X ; 2364-7671
    ISSN (online) 2364-768X
    ISSN 2364-7671
    DOI 10.1515/pp-2021-0148
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Implications of peritoneal cancer index distribution on patients undergoing cytoreductive surgery and hyperthermic intraperitoneal chemotherapy.

    Wong, Jolene Si Min / Tan, Grace Hwei Ching / Cheok, Sabrina Hui Xian / Ong, Chin-Ann Johnny / Chia, Claramae Shulyn / Teo, Melissa Ching Ching

    Pleura and peritoneum

    2022  Volume 7, Issue 2, Page(s) 95–102

    Abstract: Objectives: Peritoneal cancer index (PCI) score is a common prognostication tool in peritoneal metastases (PM). We hypothesize that the distribution of PCI score and involvement of specific regions affects survival and morbidity outcomes.: Methods: ... ...

    Abstract Objectives: Peritoneal cancer index (PCI) score is a common prognostication tool in peritoneal metastases (PM). We hypothesize that the distribution of PCI score and involvement of specific regions affects survival and morbidity outcomes.
    Methods: Data was collected from a prospective database of patients who underwent CRS and HIPEC for PM at the National Cancer Centre Singapore. We evaluate the relationship between PCI, PCI distribution, and survival and morbidity outcomes.
    Results: One hundred and fifty-two patients underwent CRS and HIPEC with a median PCI score of nine (range 0-31). Median overall survival (OS) and progression free survival (PFS) were 43 and 17 months, respectively. Region six (pelvis) was most commonly involved and had the highest frequency of heavy disease burden. Presence of PM in the lower abdomen, flanks, and small bowel were associated with poorer OS (p=0.01, 0.03, <0.001) and PFS (p=0.04, 0.02, <0.001). Involvement of porta hepatitis predicted poorer OS but not PFS (p=0.03). Involvement of the gastric antrum resulted in higher rates of postoperative complications.
    Conclusions: The pattern of PCI distribution may be associated with varying survival and morbidity outcomes.
    Language English
    Publishing date 2022-04-26
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 2861909-2
    ISSN 2364-768X ; 2364-7671
    ISSN (online) 2364-768X
    ISSN 2364-7671
    DOI 10.1515/pp-2021-0150
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Randomized Controlled Trial Investigating Perioperative Immunonutrition for Patients Undergoing Cytoreductive Surgery (CRS) and Hyperthermic Intraperitoneal Chemotherapy (HIPEC).

    Tan, Grace Hwei Ching / Chia, Claramae Shulyn / Wong, Jolene Si Min / Ong, Whee Sze / Zhu, Hong-Yuan / Ong, Chin-Ann Johnny / Teo, Melissa Ching Ching

    Annals of surgical oncology

    2022  

    Abstract: Background: Immunonutrition has been shown to reduce hospital stay and postoperative morbidity in patients undergoing gastrointestinal, and head and neck surgery. However, its use has not been demonstrated in patients undergoing cytoreductive surgery ... ...

    Abstract Background: Immunonutrition has been shown to reduce hospital stay and postoperative morbidity in patients undergoing gastrointestinal, and head and neck surgery. However, its use has not been demonstrated in patients undergoing cytoreductive surgery and hyperthermic intraperitoneal chemotherapy (CRS-HIPEC). This study aims to determine the effectiveness of perioperative immunonutrition on patients undergoing CRS-HIPEC in reducing length of hospitalization and postoperative complications.
    Patients and methods: From April 2017 to December 2018, patients undergoing CRS-HIPEC for peritoneal metastases in a single center were enrolled in a randomized controlled trial. Patients with evidence of intestinal obstruction or with diabetes mellitus were excluded. Patients were randomly assigned in a 1:1 fashion to receive perioperative oral immunonutrition or standard nutritional feeds. Length of hospital stay and rates of wound infection and complications were recorded and compared between the two groups in an intention-to-treat manner.
    Results: A total of 62 patients were recruited and randomized into two groups. Compliance to nutritional feeds in the preoperative period was significantly higher in the standard nutrition group (95.2% versus 75.4%, p = 0.004). There was no difference in postoperative compliance rates. Length of hospital stay and rates of wound infection and postoperative complications were higher in the standard nutrition group when compared with patients on immunonutrition (15.5 versus 11.1 days, p = 0.186; 19% versus 9.7%, p = 0.473; 16% versus 9.7%, p = 0.653; respectively).
    Conclusions: Patients undergoing CRS-HIPEC who received perioperative immunonutrition had shorter hospitalization and less wound infections and postoperative complications, although the differences with the standard nutrition group were not statistically significant. Potential benefits of perioperative immunonutrition need to be further evaluated in larger studies.
    Language English
    Publishing date 2022-09-30
    Publishing country United States
    Document type Journal Article
    ZDB-ID 1200469-8
    ISSN 1534-4681 ; 1068-9265
    ISSN (online) 1534-4681
    ISSN 1068-9265
    DOI 10.1245/s10434-022-12509-w
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Novel prognostic score for outcomes after cytoreductive surgery and hyperthermic intraperitoneal chemotherapy for colorectal cancer with metachronous peritoneal carcinomatosis.

    Chin, Ken Min / Tan, Grace Hwei Ching / Chia, Claramae Shulyn / Ong, Johnny Chin Ann / Teo, Melissa Ching Ching

    ANZ journal of surgery

    2020  Volume 90, Issue 10, Page(s) 1958–1964

    Abstract: Background: This study aimed to determine pre- and peri-operative parameters with significant predictive value for post-operative outcomes in patients with recurrent colorectal cancer presenting as peritoneal carcinomatosis undergoing cytoreductive ... ...

    Abstract Background: This study aimed to determine pre- and peri-operative parameters with significant predictive value for post-operative outcomes in patients with recurrent colorectal cancer presenting as peritoneal carcinomatosis undergoing cytoreductive surgery and hyperthermic intraperitoneal chemotherapy (CRS-HIPEC), and to develop a novel prognostic scoring system for prediction of survival outcomes.
    Methods: A single-institution review of prospectively collected data from all patients who underwent CRS-HIPEC between October 2005 and October 2017 was conducted. Univariate and multivariate analyses were used to identify significant parameters for prediction of post-CRS-HIPEC disease-free survival and overall survival (OS).
    Results: A total of 278 patients underwent CRS-HIPEC, of whom 72 were for peritoneal carcinomatosis from recurrent colorectal cancer. Disease-free interval (DFI; P = 0.006), peritoneal cancer index (PCI; P = 0.001) and left upper quadrant disease (P = 0.023) were significant independent predictors of 3-year OS. DFI (0.007), PCI (P < 0.001) and intraoperative blood loss (BL; P = 0.001) were significant independent predictors of 5-year OS. PCI and BL were significant independent predictors of both 3-year (P = 0.026, PCI; P = 0.009, BL) and 5-year (P = 0.002, PCI; P = 0.011, BL) disease-free survival. Predictive models were developed for risk stratification of OS.
    Conclusion: PCI, DFI, left upper quadrant disease and BL have significant predictive value for post-CRS-HIPEC outcomes. Risk stratification models allow for more prudent patient selection and ultimately more accurate prognostication of post-operative outcomes.
    MeSH term(s) Antineoplastic Combined Chemotherapy Protocols ; Chemotherapy, Cancer, Regional Perfusion ; Colorectal Neoplasms/drug therapy ; Combined Modality Therapy ; Cytoreduction Surgical Procedures ; Humans ; Hyperthermia, Induced ; Hyperthermic Intraperitoneal Chemotherapy ; Neoplasm Recurrence, Local/epidemiology ; Neoplasm Recurrence, Local/therapy ; Percutaneous Coronary Intervention ; Peritoneal Neoplasms/drug therapy ; Prognosis ; Retrospective Studies ; Survival Rate
    Language English
    Publishing date 2020-03-11
    Publishing country Australia
    Document type Journal Article
    ZDB-ID 2050749-5
    ISSN 1445-2197 ; 1445-1433 ; 0004-8682
    ISSN (online) 1445-2197
    ISSN 1445-1433 ; 0004-8682
    DOI 10.1111/ans.15783
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Can baseline quality of life scores predict for morbidity and survival after CRS and HIPEC

    Chia Claramae Shulyn / Ong Chin-Ann Johnny / Zhu Hong-Yuan / Lim Cindy / Wong Jolene Si Min / Tan Grace Hwei Ching / Teo Melissa Ching Ching

    Pleura and Peritoneum, Vol 7, Iss 2, Pp 63-

    a prospective study of 151 patients

    2022  Volume 75

    Abstract: Various studies have shown that good quality of life (QoL) can be achieved after cytoreductive surgery (CRS) and hyperthermic intraperitoneal chemotherapy (HIPEC). There is prognostic value of baseline QoL in post-operative outcome in Western setting. ... ...

    Abstract Various studies have shown that good quality of life (QoL) can be achieved after cytoreductive surgery (CRS) and hyperthermic intraperitoneal chemotherapy (HIPEC). There is prognostic value of baseline QoL in post-operative outcome in Western setting. Our prospective study aims to validate these observations and elucidate clinical factors that predict poorer QoL in Asian peritoneal carcinomatosis patients.
    Keywords baseline qol ; cytoreductive surgery (crs) ; hyperthermic intraperitoneal chemotherapy (hipec) ; peritoneal carcinomatosis ; Medicine ; R ; Specialties of internal medicine ; RC581-951
    Language English
    Publishing date 2022-04-01T00:00:00Z
    Publisher De Gruyter
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  8. Article ; Online: Implications of peritoneal cancer index distribution on patients undergoing cytoreductive surgery and hyperthermic intraperitoneal chemotherapy

    Wong Jolene Si Min / Tan Grace Hwei Ching / Cheok Sabrina Hui Xian / Ong Chin-Ann Johnny / Chia Claramae Shulyn / Teo Melissa Ching Ching

    Pleura and Peritoneum, Vol 7, Iss 2, Pp 95-

    2022  Volume 102

    Abstract: Peritoneal cancer index (PCI) score is a common prognostication tool in peritoneal metastases (PM). We hypothesize that the distribution of PCI score and involvement of specific regions affects survival and morbidity outcomes. ...

    Abstract Peritoneal cancer index (PCI) score is a common prognostication tool in peritoneal metastases (PM). We hypothesize that the distribution of PCI score and involvement of specific regions affects survival and morbidity outcomes.
    Keywords cytoreductive surgery ; hyperthermic intra-peritoneal chemotherapy ; peritoneal cancer index ; Medicine ; R ; Specialties of internal medicine ; RC581-951
    Language English
    Publishing date 2022-04-01T00:00:00Z
    Publisher De Gruyter
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  9. Article ; Online: Relevance of enlarged cardiophrenic lymph nodes in determining prognosis of patients with advanced ovarian cancer.

    Nuruzzaman, Hasan Shahriar Md / Tan, Grace Hwei Ching / Nadarajah, Ravichandran / Teo, Melissa

    BMJ case reports

    2018  Volume 2018

    Abstract: Ovarian cancer often presents at an advanced stage with widespread peritoneal and/or extra-abdominal metastases. Complete cytoreduction is the mainstay of treatment for disease confined to peritoneum. But in patients with distant metastases, the role and ...

    Abstract Ovarian cancer often presents at an advanced stage with widespread peritoneal and/or extra-abdominal metastases. Complete cytoreduction is the mainstay of treatment for disease confined to peritoneum. But in patients with distant metastases, the role and rationale is less obvious. One of the the most common sites of extra-abdominal disease is the cardiophrenic lymph node (CPLN). In this paper, we described the management of a patient with International Federation of Gynecology and Obstetrics (FIGO) stage IVB epithelial ovarian carcinoma and widespread peritoneal and extra-abdominal metastases to the CPLN, who underwent complete cytoreduction including excision of enlarged CPLN, following neoadjuvant chemotherapy. We examined the literature to determine the prognostic value of enlarged CPLN and their relevance in managing patients with advanced ovarian cancer and found it as an adverse prognostic factor. Transdiaphragmatic excision of CPLN is feasible without major complications. But as its correlation with overall or progression-free survival is not yet evident, large-scale prospective studies are warranted.
    MeSH term(s) Abdominal Neoplasms/pathology ; Abdominal Neoplasms/secondary ; Abdominal Neoplasms/therapy ; Adult ; Carcinoma, Ovarian Epithelial ; Cytoreduction Surgical Procedures ; Diaphragm ; Female ; Humans ; Lymph Node Excision ; Lymph Nodes/pathology ; Neoadjuvant Therapy ; Neoplasm Staging ; Neoplasms, Glandular and Epithelial/pathology ; Neoplasms, Glandular and Epithelial/secondary ; Neoplasms, Glandular and Epithelial/therapy ; Ovarian Neoplasms/pathology ; Ovarian Neoplasms/secondary ; Ovarian Neoplasms/therapy ; Pericardium ; Peritoneal Neoplasms/pathology ; Peritoneal Neoplasms/secondary ; Peritoneal Neoplasms/therapy ; Prognosis
    Language English
    Publishing date 2018-01-13
    Publishing country England
    Document type Case Reports ; Journal Article
    ISSN 1757-790X
    ISSN (online) 1757-790X
    DOI 10.1136/bcr-2017-221450
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article ; Online: Neoadjuvant tyrosine kinase inhibitors in rectal gastrointestinal stromal tumours: a provision for enhanced oncological and functional outcomes.

    Yong, Zachary Zihui / Wong, Jolene Si Min / Teo, Melissa Ching Ching / Chia, Claramae Shulyn / Ong, Chin-Ann Johnny / Farid, Mohamad / Tan, Grace Hwei Ching

    International journal of clinical oncology

    2021  Volume 26, Issue 5, Page(s) 913–921

    Abstract: Background: The role of tyrosine kinase inhibitors (TKI) in the neoadjuvant setting and the optimal duration of therapy remains poorly defined. As such, we aim to evaluate the impact of neoadjuvant TKI on oncological and functional outcomes in our ... ...

    Abstract Background: The role of tyrosine kinase inhibitors (TKI) in the neoadjuvant setting and the optimal duration of therapy remains poorly defined. As such, we aim to evaluate the impact of neoadjuvant TKI on oncological and functional outcomes in our cohort of patients with rectal GISTs.
    Methods: A retrospective analysis of 36 consecutive patients who underwent treatment for rectal GIST at the National Cancer Centre Singapore from February 1996 to October 2017 was analysed. Surgical, recurrence and survival outcomes between the groups who underwent neoadjuvant therapy and those who underwent upfront surgery were compared.
    Results: Patients who received neoadjuvant treatment had significantly larger tumours (median size 7.1 vs. 6.0 cm, p = 0.04) and lower mitotic count (> 10 per 50 HPF, 14 vs. 70%, p = 0.03) when compared with the non-neoadjuvant group. With TKI pre-treatment (median duration 8.8 months), majority of patients (82%) achieved at least partial response to the therapy coupled with a significant downsizing effect of up to 39% (median size of 7.1-3.6 cm), resulting in similar rates of sphincter-sparing surgery (75 vs. 76%, p = 0.94) when compared with the non-neoadjuvant group. In general, neoadjuvant group had lower rates of local recurrence (0 vs. 69%, p = 0.04) and higher overall survival (7.4 vs. 5.7 years, p = 0.03) as compared to the non-neoadjuvant group.
    Conclusions: Neoadjuvant TKI has the benefit of downsizing unresectable rectal GIST to benefit from sphincter-sparing procedure and also confers protection against local recurrence and improves overall survival.
    Language English
    Publishing date 2021-02-02
    Publishing country Japan
    Document type Journal Article
    ZDB-ID 1400227-9
    ISSN 1437-7772 ; 1341-9625
    ISSN (online) 1437-7772
    ISSN 1341-9625
    DOI 10.1007/s10147-021-01867-2
    Database MEDical Literature Analysis and Retrieval System OnLINE

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