Retrospective Study
Copyright ©The Author(s) 2024.
World J Gastrointest Surg. Mar 27, 2024; 16(3): 768-776
Published online Mar 27, 2024. doi: 10.4240/wjgs.v16.i3.768
Table 1 Demographic, clinical characteristics, and descriptive statistics of patients who underwent resection for metastatic neuroendocrine tumors to the liver who were included in the study and were used to assess determinants of adverse outcomes (n = 966), n (%)
Characteristics
Overall number (%)
Surgery only, n = 668 (69.2%)
Surgery + ablation treatment, n = 298 (30.8%)
P value
Male475 (49.2)319 (47.8)156 (52.4)0.19
Age59.7 ± 11.2259.8 (11.5)59.7 (10.7)0.95
BMI28.8 ± 6.2228.5 (6.2)29.4 (6.3)0.0336
Race< 0.0011
    White687 (71.1)444 (66.5)243 (81.5)
    Black/African American82 (8.5)55 (8.2)27 (9.1)
    Other36 (3.7)32 (4.8)4 (1.3)
    Unknown161 (16.7)137 (20.5)24 (8.1)
Ethnicity< 0.0011
    Hispanic36 (3.7)27 (4.0)9 (3.0)
    Not hispanic787 (81.5)518 (77.5)269 (90.3)
    Unknown143 (14.8)123 (18.4)20 (6.7)
Wound class0.025
    I104 (10.8)80 (12.0)24 (8.1)
    II810 (83.9)546 (81.7)264 (88.6)
    III/IV52 (5.4)42 (6.3)10 (3.4)
Diabetes171 (17.7)120 (18.0)51 (17.1)0.75
Steroid use36 (3.7)23 (3.4)13 (4.4)0.49
Serum albumin17.6 ± 18.42
Operative approach0.0151
    Minimally invasive 134 (13.9)107 (16.0)27 (9.1)
    Unplanned open36 (3.7)24 (3.6)12 (4.0)
    Planned open795 (82.4)536 (80.4)259 (86.9)
Operative time243.98 ± 101.22238.9 (102.9)255.4 (96.4)0.0191
Neoadjuvant Chemotherapy0.83
    None777 (80.4)539 (80.7)238 (79.9)
    Systemic83 (8.6)55 (8.2)28 (9.4)
    Other106 (11.0)74 (11.1)32 (10.7)
Number of Metastasis< 0.0011
    1-2459 (50.4)388 (61.9)71 (25.0)
    3-4182 (20.0)113 (18.0)69 (24.3)
    5-685 (9.3)42 (6.7)43 (15.1)
    7-863 (6.9)25 (4.0)38 (13.4)
    > 8122 (13.4)59 (9.4)63 (22.2)
Size of lesion< 0.0011
    < 2 cm249 (26.9)166 (26.0)83 (29.0)
    2-5 cm410 (44.3)263 (41.2)147 (51.4)
    > 5 cm266 (28.8)210 (32.9)56 (19.6)
Extent of Resection< 0.0011
    Total right lobectomy120 (12.4)105 (15.8)15 (5.0)
    Total left lobectomy67 (6.9)50 (7.5)17 (5.7)
    Trisegmentectomy58 (6.0)47 (7.0)11 (3.7)
    Partial lobectomy 721 (74.6)466 (69.8)255 (85.6)
Table 2 Outcomes of patients treated for metastatic neuroendocrine tumors to the liver (n = 966), n (%)
Outcome
Surgical treatment only, n = 668 (69.2%)
Surgery + ablation treatment, n = 298 (30.8%)
P value
Death7 (1.1)3 (1.0)1.00
Significant bleed117 (17.5)33 (11.1)0.0111
Bile leak41 (6.2)14 (4.8)0.38
Myocardial infarction3 (0.5)1 (0.3)1.00
Pulmonary embolism11 (1.7)4 (1.3)1.00
Pneumonia17 (2.5)8 (2.7)0.90
Sepsis21 (3.1)16 (5.4)0.096
Liver failure23 (3.4)4 (1.3)0.089
Return to operating room24 (3.6)7 (2.4)0.31
Readmission73 (10.9)34 (11.4)0.83
Surgical site infection
    Superficial27 (4.0)10 (3.4)0.61
    Deep incisional4 (0.6)1 (0.3)1.00
    Organ space48 (7.2)30 (10.1)0.13
    Wound4 (0.6)1 (0.3)1.00
    Any78 (11.7)39 (13.1)0.54