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138
N. E. James et al.
able 9.4
(continued)
T
HRQOL in LR
Author/Year (Ref)
Chen 2004
Ueno 2002
Tanabe 2001
Study No.
PC 36 LC LR GQLI Pre, 2
R 123 Recurrent
Pathology Procedure QOL of pts
96 HCC QOL impaired in
LR Vs HAIC Deteriorated
HCC
instrument
Time points analyzed (months)
weeks, 5 weeks, 10 weeks, 4months, 6months, 9months, 12months, 18months, 24months
HRQOL Outcome (P<0.05)
Reduced signicantly 2–10weeks after the operation. QOL recovered gradually. At 4months increased to the preoperative level. In the patients who survived more than 9months, the GQLI score was higher than that before the operation. Major hepatectomy (lobectomy and combined segmentectomy) reduced the GQLI score more evidently than did minor hepatectomy (simple segmentectomy) in 2–5weeks after the operation. The age and preoperative liver function of the patients played an important role in the recovery of the quality of life in the early postoperative stage. Tumor recurrence showed a continuous decrease in QOL.
cases of aged patients, treatment for recurrence, and Type 2 change of the serum cholinesterase level. Postoperative maintenance of protein synthesis including cholinesterase is one measure to preserve a satisfactory QoL.
performance status in the repeat LR was lower than in the HAIC.LR shows favorable QOL in recurrent HCC.
9 Patient-Reported Quality ofLife After Pancreatic andLiver Surgery
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HRQOL instrument and 2 studies used two instruments. The Functional Assessment of Cancer Therapy- Hepatobiliary (FACT-Hep) contains ve dimensions: Physical Well Being (PWB), Social Well Being (SWB), Functional Well Being (FWB), Emotional Well Being (EWB) and Additional Concerns about HCC. Higher scores represent better levels of HRQOL.
The European Organisation for Research and Treatment of Cancer Quality of Life Questionnaire Core-30 (QLQ – C30) is a cancer-specic 30-item questionnaire including ve functional scales: Physical Function (PF), Role Function (RF), Emotional Function (EF), Cognitive Function (CF) and Social Function (SF), and a global health and QOL scale. Higher scores rep­resent better levels of HRQOL.The Short Form­36 (SF-36) Health Survey measures eight dimensions: Physical Function (PF), Role limita­tion due to Physical health (RP), Bodily Pain (BP), General Health (GH), vitality (VT), Social Function (SF), Role limitation due to Emotional health (RE) and Mental Health (MH). The domains can be summarised into a Physical Component Summary (PCS) and Mental Component Summary (MCS). Higher scores rep­resent better levels of HRQOL.Only 17 (71%) studies mention baseline assessment of HRQOL.The timing of post-operative HRQOL follow up ranged signicantly from 2weeks to 36months.
Discussion
Patient-Reported Global Quality ofLife After Pancreatic Resection
All but one study [8] reported overall QOL as an outcome post-surgery. In the rst 3months post­operatively, 13 studies showed a clinically rele­vant decrease in overall QOL.Six of these studies reported overall QOL which reverted to baseline values or showed improvement after 6months. In the longer postoperative period (i.e. 12months or greater), only one study demonstrated signicant improvement in overall QOL at 24months [10].
Amongst studies which examined outcomes between patients groups undergoing different types of surgical resection, Seiler etal. demon­strated no signicant difference in global QOL after PD compared with PPPD [13], both in the immediate postoperative period and in the lon­ger term. This is in concordance with Schniewind etal.’s ndings, which showed no difference in global QOL between patients with PPD and PPPD at 3, 6, 12 and 24months postoperatively [12]. However, PD with ELND was associated with a greater deterioration in global QOL com­pared with regional lymphadenectomy through­out the same follow-up period [12]. Similarly, Farnell et al. reported a greater decrease in global QOL after PD with ELND compared with PD alone, although this was not statisti­cally signicant. Belyaev et al. showed that global QOL was decreased at 3months postop­eratively for all pancreatic cancer patients irre­spective of surgical procedure, and was signicantly lower in those who underwent a PD or TP compared with those who underwent a DP [8]. In addition, the authors highlighted that patients who had curative surgery experienced a signicantly larger decrease in global QOL than those with palliative intent [8]. Fig.9.2 provides a summary of poor predictors of QoL in pancre­atic surgery.
Looking at ndings of studies with patients not amenable to radical resection, Walter et al. noted that patients with DLB had greater decrease in global QOL than those with palliative PD in the immediate postoperative period [16]. There was, however, no signicant statistical difference between the two groups, and global health status of both groups returned to near normalisation at 3months post-surgery [16]. These ndings were corroborated by Kostro and Śledziński, whose study demonstrated that patients who had under­gone palliative PD had more favourable evalua­tion of their global QOL compared to those who had undergone DBP or laparotomies [23]. Two studies demonstrated a more rapid return to base­line by 3months [14, 22]. Both were randomised clinical trials aimed at assessing QOL after neo­adjuvant chemotherapy and surgery for patients with resectable pancreatic adenocarcinoma.
140
N. E. James et al.
Predictors of poor QOL in Pancreatic Surgery Extent and type of surgery Reference
(8) PD with ELND Vs regional LND or PD alone 12,20 Curative Vs Palliative resection 8 Newly diagnosed pancreatic insufficiency 8, 28 PD or TP Vs DP 8
Predictors of poor QOL in Liver Surgery Short term Reference Long term Reference Advanced Age (>65) 33 Recurrence and
29 -33
advanced pTNM Major complications 42 Depression and anxiety 30, 36 Poor liver function tests 29 Type 2 change of serum
33
cholinesterase post-op Pain & Fatigue 35 Major operation 29, 31
Fig. 9.2 Predictors of poor QOL in HPB surgery
W here mortality rates and benets such as symptom relief are similar among different inter­ventions, a scenario commonly seen in malignant conditions, measuring QOL after intervention may have a determinant role in deciding the best therapeutic option for the patient. This systematic review therefore assesses short- and long-term QOL in HPB cancer patients after surgical resec­tion to help weigh the benets against the risks of surgery.
Pancreatic surgery is associated with an initial decrease in overall QOL in the early postopera­tive period (i.e. 3months). There seems to be a similar trend in physical and social functioning, where both demonstrated a decrease in QOL scores in the rst 3 months following surgery. Based on available data, most studies showed an initial increase in pain, fatigue and diarrhoea in the short term post-surgery. Similar to the func­tional scales, most postoperative symptom scores were comparable to baseline measurements by 3–6months after surgery. This implies that there is an overall positive effect on mental health observed in pancreatic cancer patients after sur-
gery, supported by four different studies [8, 12,
18, 24], which described no worsening of mental
component scores after surgery, despite experi­encing side-effects of surgery. This may be attrib­uted to the ‘response shift mechanism’, a psychological adaptation resulting from a change in internal standard owing to a life-threatening disease, rst described by Breetvelt and Van Dam [27].
Additionally, this review compares QOL between various surgical techniques. The data shows that there is no signicant difference in overall QOL between the Whipple’s procedure and PPPD in both the short and long term. There also appears to be no signicant difference between baseline and postoperative overall QOL and physical functioning for patients undergoing Whipple’s. Issues favouring preservation of the pylorus are improved postoperative weight gain and avoidance of postgastrectomy syndromes, which are positively correlated with improve­ment in physical, psychological and social func­tioning, independent of the underlying disease. These were the results of Seiler et al.’s ran-
9 Patient-Reported Quality ofLife After Pancreatic andLiver Surgery
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141
domised controlled trial, which provide convinc­ing evidence that PPPD is as effective as the Whipple’s procedure in the resection of pancre­atic cancers [13].
Belyaev etal.’s study showed that in the early postoperative period, QOL of pancreatic cancer patients was inuenced more by the type and extent of surgery, rather than by their diagnosis [8]. In general, patients who had undergone cura­tive resection reported worse physical function­ing and overall QOL, but better emotional and social functioning, and less pain than those with palliative resection. Whilst palliative resection may have a prophylactic effect and can avoid potential complications associated with late­stage pancreatic cancer such as bile duct or gas­tric outlet obstruction, it does not appear to have a positive effect on the QOL of pancreatic cancer patients. This is supported by Kostro and Śledziński’s study [23]. Hence, indications for palliative surgery should be carefully discussed when presenting treatment options to patients with widespread malignant pancreatic disease. Belyaev etal. also demonstrated that DP and TP was the best and worst tolerated procedures respectively, despite a greater incidence of post­operative pancreatic stulae in the former group [8]. This could be attributed to a greater degree of perioperative endocrine and exocrine pancreatic insufciency developed amongst TP patients, which is supported by the ndings of a previous study by Halloran et al., who found that newly developed pancreatic insufciency is a relevant prognostic factor which signicantly decreased QOL [28].
Patient-Reported Global Quality ofLife After Liver Resection (LR)
In general, most studies found an initial short­term adverse effect of HRQOL in LR with long­term improvement and stabilisation in overall QOL.Chen etal. demonstrated a 19% decrease in QOL scores 2weeks after operation for liver cancer (p<0.010) [29]. At 4months QOL had returned to baseline and improvement continued
throughout the 12 months. At 9 months QOL recovered to scores better than preoperatively. Likewise, in a secondary analysis of two prospec­tive studies for LR in cancer, Tohme etal. showed reduced HRQOL from baseline at 4 months which stabilized to baseline values at 8 and 12months [30]. Dasgupta etal. demonstrated a non-signicant trend towards deterioration of most functional scores and global health status at 6months after LR for cancer, with a subsequent return to baseline level by 12months [31]. The short-term deterioration in QOL, which subse­quently recovers, is further demonstrated in stud­ies comparing LR to non-surgical interventions. Huang etal. reported outcomes on QOL after LR as compared to RFA in the treatment of small (<3cm) solitary HCC. Despite RFA having sig­nicantly better HRQOL scores than LR through­out the 36 months, the gap between the two interventions narrowed over time as QOL follow­ing surgery progressively recovered beyond base­line. The longitudinal pattern of results could be explained by the direct consequences of surgery in the early postoperative period. Incisional trauma, post treatment morbidity, decreased liver parenchyma and worse liver function are more pronounced in the short term and recover over time. It is possible to suppose that as liver func­tion recovers so does QOL.
Disease Recurrence Advanced pTNM and dis­ease recurrence were signicantly predictive of QOL deterioration over time after LR [2933]. On the contrary, Banz etal. reported that post­operative diagnosis and poor clinical prognosis did not correlate with QOL [34]. Interestingly, Bruns etal. showed that MCS scores were supe­rior after LR for metastatic disease compared to primary carcinoma and benign disease (p=0.032) [35]. Anxiety and depression were shown to be negative predictive factors of postoperative QOL in LR.In a study of 410 patients undergoing LR for HCC, Lee etal. demonstrated that comorbid anxiety and depression (ADS) had a signicant (p<0.001) negative effect on HRQOL [36]. The negative impact in QOL between comorbid and non-ADS increased from baseline and over time.
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N. E. James et al.
Tohme etal. also reported depressive symptoms (p<0.0001) to be associated with reduced QOL at 8 months [30]. Ueno et al. demonstrated that the maintenance of protein synthesis post LR was the only independent variable positively corre­lated to post-treatment QOL.Older age (> or=65 years), recurrence, and change of serum cholines­terase level were associated with impaired QOL [33]. On multivariable analysis, Huang et al. found the presence of concomitant disease, cir­rhosis and surgical resection were signicant risk factors associated with a worse HRQOL score after treatment [37]. Figure9.2 provides a sum­mary of poor predictors of QoL in liver surgery.
Laparoscopic Resection All three studies com­paring outcomes in laparoscopic Vs open LR demonstrated satisfactory HRQOL in the laparo­scopic approach. Whereas Benzing etal. found no signicant differences between laparoscopic and open groups [38], Guiliani and Fretland etal. pro­posed a benet in the method of laparoscopy [39,
40]. Each study addressed a different population
looking into LR in benign & malignant, benign only and CRLM respectively. Guiliani etal. dem­onstrated a better QOL in the laparoscopic group early after surgery and at 1year [39]. At 6months there was a strong statistically signicant differ­ence in the QOL in the laparoscopic group from the open group. Physical Function was statisti­cally signicant better at 1 and 12 months after laparoscopic surgery (p < 0.05). Similarly, Fretland etal. found that at 1month post-opera­tively, patients undergoing laparoscopy for CRLM had less deterioration in physical domain scores than the open group [40]. By 4months, scores in the laparoscopic group had returned to pre-opera­tive levels but patients in the open group still reported reduced scores in 2 domains (RP and GH). Patients in both groups reported increased scores for MH at 1month [40].
Minor Versus Major Hepatectomy Toro et al. found a signicant QOL benet after 24months
in patients undergoing LR with no difference between minor and major hepatectomy [41]. Bruns etal. showed that the physical component of HRQOL was improved after major hepatec­tomy compared to minor hepatectomy (p=0.005) [35]. Chen et al. showed a greater decrease in QOL at 2weeks after operation in patients who underwent major hepatectomy as compared to minor hepatectomy (p < 0.050) [29]. Likewise, Miller et al. demonstrated that global, physical and overall QOL were decreased at rst postop­erative visit relative to baseline (p < 0.05) in patients undergoing major LR for cancer [42]. Along with increased pain and fatigue, these recovered at the 6-week visit and remained stable over the 6months of the study. Dasqupta et al. demonstrated that patients undergoing major hepatectomy returned to their baseline quality of life at 3months with a progressive and sustained increase in physical, emotional, and global rating scale at 6months despite an initial decline [31]. Despite signicantly decreased social function score, Banz et al. demonstrated overall good QOL in LR for malignant disease and the extent of resection did not signicantly inuence the overall QOL [33].
Study Limitations
The included studies exhibit some limitations, which must be considered when interpreting the ndings of this analysis. Firstly, there is signi­cant variation in patient population, primary sur­gical resection techniques, the presence of neoadjuvant or adjuvant therapy, and lymphade­nectomy or vascular resection during surgery. The heterogeneity of QOL instruments used and time points of QOL assessment postoperatively also made pooling of data difcult. Therefore, a quantitative meta-analysis could not be per­formed. Nevertheless, the qualitative analysis in this study clearly demonstrated a decrease in QOL in several domains in the early post­operative period of patients undergoing surgery for HPB cancer.
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Three studies reported HRQOL outcomes in LR in relation to supportive peri-operative inter­ventions and demonstrated that enhanced care delivery can improve QOL after LR by means of alleviating anxiety and depressive mood. In a RCT of 136 patients undergoing LR for HCC, Wang J. et al. demonstrated that a comprehen­sive education and care programme (CEC) including health education, psychological nurs­ing, caring activity and telephone condolence signicantly improved QOL postoperatively. At 12months the QLQ-C30 global health status and functional score was higher in patients undergo­ing CEC as compared to the control group (P< 0.05). Similarly, in a randomised study of 82 patients undergoing LR for LC, Ji etal. dem­onstrated that patients exposed to High Quality Nursing had better HRQOL both physically and mentally as opposed to the control group (p < 0.05). In a non- randomised study of 70 patients, Wang et al. showed improved social and family well-being after LR in patients enrolled in a prehabilitation programme as com­pared to the control group (p<0.0001). All stud­ies were limited by their small population samples.
Additionally, almost 80% of patients included in the studies on pancreatic cancer underwent a Whipple’s procedure or PPPD. Although results may not be fully representative for patients undergoing distal or total pancreatectomy, nd­ings from the former two procedures can be used to inform patients about the expected effects of pancreatoduodenectomy for pancreatic malig­nant on QOL. This information is valuable for counselling of patients in the pre- and post- operative phases. However, it is important to note that in the studies which included patients undergoing neoadjuvant or adjuvant therapy, no additional statistical testing was performed to assess QOL after resection before adjuvant ther­apy, or to compare QOL before and after resec-
tion for cases where neoadjuvant therapy was administered. This should be taken into consider­ation when interpreting the present results, as a detriment in any of the QOL domains especially the symptom scales could be spuriously attrib­uted to surgery instead of chemo- or radiotherapy.
Conclusion
Our study provides evidence that QOL is sub­stantially affected by HPB surgery, and demon­strates the need for detailed discussion and tailoring of surgical techniques and resources to the individual patient, based on their baseline functioning, pathological diagnosis, and staging of disease. Although surgical treatment for liver and pancreatic cancers has short-term negative impact on QOL, it is not associated with irre­versible impairment in QOL.The relatively long plateau phase supports the argument for resec­tions in carefully selected patients. There is also potential for minimally invasive approaches in the management of HPB malignancies as studies have shown comparable perioperative and onco­logic outcomes with traditional approaches. However, its impact on overall QOL after sur­gery needs to be more clearly dened through improved training opportunities and future pro­spective studies in this research area. Nevertheless, the ndings of this study will con­tribute positively towards shared decision-mak­ing between patient and clinician, and are useful to inform patient’s expectations. Reassurance may be given to patients that most functional impairments and symptoms experienced in the immediate post- operative period are likely to improve by 3months and return to baseline lev­els by 6months. Figure9.3 provides a summary of the key conclusions of this chapter for the clinician.
144
Key Conclusions for the clinician
1 Review of the literature shows that HRQOL is substantially affected by HPB surgery
2 Surgical treatment for pancreatic and liver cancer has short -term negative impact on QOL, however it is
not associated with irreversible impairment in QOL
3 Most functional deterioration and symptoms experienced in the immediate post -operative period are likely
to improve by 3 months and return to baseline by 6 months
4 Disease recurrence, advanced pTNM stage and comorbid anxiety and depression negatively correlate with
QOL after LR
5 Type and extent of surgery can correlate with HRQOL in pancreatic cancer patients
6 Palliative resection does not appear to have a positive effect on QOL in pancreatic cancer
7 Knowledge of HRQOL outcomes can be useful to tailor surgical technique to the individual patient, based
on their baseline functioning, pathology and staging of disease
N. E. James et al.
Fig. 9.3 Key conclusions for the clinician
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Quality ofLife inHead & Neck Surgical Oncology andThyroid Surgery
GeorgeGaras, KeshavGupta, andSameerMallick
10
Quality ofLife (QoL) Instruments inHead & Neck andThyroid Cancer
Introduction
Quality of Life (QoL) is dened as a patient’s individual perspective of the impact of their dis­ease or treatment on their physical, psychologi­cal, social, somatic, and functional well-being [1]. With continued advances in modern medi­cine, surgical outcomes in terms of tumour resec­tion and overall mortality have markedly improved. As a result, optimising QoL outcomes has become increasingly important in recent
G. Garas (*) Department of Surgery and Cancer, Imperial College London, St. Mary’s Hospital, London, UK
Head & Neck Unit, Department of Otorhinolaryngology and Head & Neck Surgery, Queen Elizabeth Hospital Birmingham, University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK e-mail: g.garas@imperial.ac.uk
K. Gupta Head & Neck Unit, Department of Otorhinolaryngology and Head & Neck Surgery, Queen Elizabeth Hospital Birmingham, University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK
S. Mallick Department Otorhinolaryngology and Head & Neck Surgery, Queens Medical Centre, Nottingham University Hospitals NHS Trust, Nottingham, UK
years in order to match favourable outcome mea­sures from both a patient and surgeon perspective.
Head and neck cancer is a broad term that gen­erally encompasses tumours of the oral cavity, pharynx, larynx, and salivary glands, among numerous other organs. This group of malignan­cies is highly heterogenous with varied presenta­tions and disease courses. Most can be managed with either surgery, radiotherapy, chemotherapy, or multimodality therapy. Thyroid cancer is also commonly included in this disease spectrum.
Head and neck cancer patients typically suffer a disproportionate QoL burden compared to patients with primary neoplasms originating out­side the head and neck. Head and neck cancer patients characteristically struggle with signi­cant physical (e.g. pain, mucositis, xerostomia), functional (e.g. dysphagia, dysphonia, dysgeu­sia) and psychosocial (e.g. depression, disgure­ment, social isolation, and stigmatisation) issues that can be permanently debilitating [2]. Radical surgery allowing for complete oncological resec­tion and disease-free survival can often be offset with a substantial detriment in QoL as a result of poor functional status and deformity. Traditional surgeon- and oncological-focussed outcomes may therefore not be as important to patients as the potential physical, functional, and psychoso­cial treatment side effects. Given that such fac­tors are central to patients’ QoL, there is an increasing onus to utilise validated QoL instru-
© The Author(s), under exclusive license to Springer Nature Switzerland AG 2023 T. Athanasiou et al. (eds.), Patient Reported Outcomes and Quality of Life in Surgery,
https://doi.org/10.1007/978-3-031-27597-5_10
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G. Garas et al.
ments to better guide surgeons facilitating clini­cal decision making according to patient-centred outcomes. QoL measurement tools also have an overlap with Patient Reported Outcome Measures (PROMs). PROMs are becoming increasingly employed in clinical trials, reecting the importance of patient-centred outcomes in Evidence Based Medicine (EBM).
Quality ofLife (QoL) Instruments
The Scientic Advisory Committee of the Medical Outcomes Trust (SAC-MOT) state that high quality QoL tools should be valid, reliable, and be able to detect change over time [3]. There are a number of generic surgical QoL question­naires such as the SF-36 and EQ-5D that focus on non-disease specic QoL measures such as mobility, pain, anxiety and discomfort [4, 5]. Measuring QoL outcomes in head and neck can­cer can be challenging due to the varied nature of primary tumour sites and thus associated symp­tomatology, disease course, treatment options, and patient response to treatment. The use of disease-specic head and neck QoL measure­ment tools is therefore required in order to more accurately measure such outcomes. Over the last few years, several validated tools have been developed for this purpose. These are commonly patient-administered questionnaires that can gen­erally be subdivided into site-specic, treatment­specic, and/or symptom-specic measurements tools. Usually, more than one tool is required to allow for a comprehensive evaluation. Each tool has different qualities that can inuence its utili­sation, such as the domains evaluated, available translations, and scales used. Table 10.1 sum­marises the available QoL measurement tools in head and neck surgical oncology and thyroid surgery.
Discussion
It is well established that head and neck cancer survivors have a relatively poor QoL [64, 65]. These patients, and those with thyroid cancer,
can have their QoL affected by the disease course, patient factors such as marital status, family income and the variety of available treatment options [66]. Radical surgery, (chemo)radiother­apy, or multimodality therapy can all lead to poor physical, functional, and psychosocial outcomes. These can not only vary in terms of which patients they affect, but the same side effect of the disease or treatment modality can also have a drastically different impact on different patients who can perceive complications differently. Figure 10.1 summarises the predictors of poor QoL in these differential patient populations (discussed below separately in each section) plus those common to all head and neck primary tumour sites (includ­ing thyroid). It is therefore imperative that patients are counselled appropriately in a multi­disciplinary setting so that personalised treatment options can be offered tailored to the individual patient. QoL measures are vital in informing such discussions. They can also be useful in adapting management strategies for patients with existing disease to help tailor treatment to what is most important to them at a specic time period.
Presently, there are a multitude of available QoL measurement tools. However, there is no clear consistency in terms of design and report­ing. The choice of which tool to use can therefore be somewhat ambiguous. Currently, the most commonly utilised tools in head and neck oncol­ogy include EORTC QLQ H&N35 [8], FACT-HN [10], and UWQOL for site-specic measures [26], HNRT-Q for treatment-specic measures [28], MDADI [42] for dysphagia measures and VHI/VHI-10 for voice measures [55]. Despite their longevity of use, they still do not compre­hensively cover all areas that may be of interest to specic patients and surgeons. The use of more than one tool is therefore commonly employed to help bridge this gap. However, with this comes another issue related to domain overlap in com­monly evaluated factors such as pain, physical function, and social function. Interpretation of results can therefore be difcult as one may be unsure as to how much weighting to place on each overlapping domain.
Future research should focus on robust com­parisons between QoL measurement tools to