Complication rates following abdominal wall reconstruction (AWR) remain high. Early complications are related to skin necrosis and delayed healing, whereas late complications are related to recurrence. When concomitant body contouring procedures are performed, complication rates can be further increased. It is hypothesised that fluorescent angiography using indocyanin green (ICG) can identify poorly perfused tissues and thus reduce the incidence of delayed healing. A retrospective review was conducted of all patients who underwent AWR with concomitant panniculectomy from 2007-2012. Intraoperative ICG angiography with the SPY system (LifeCell Corp.) was used to determine the amount of resection for body contouring in patients who underwent reconstruction in a cohort of patients. SPY-Q was used to assess relative perfusion of analysed areas. Preoperative, postoperative, and operative details were analyzed. Seventeen patients met inclusion criteria, 12 patients were included in the non-ICG cohort, while five patients were included in the ICG cohorts. Wound-healing complications occurred in 5/12 (42%) patients in the non-ICG cohort vs 1/5 (20%) of the ICG cohorts. A description of the sole patient with complications in the ICG cohort is illustrated. Operative debridement and wound infection development occurred more frequently in the non-ICG cohort compared with the ICG cohort (17%, 17% vs 0%, 0%, respectively). Average time to wound healing was 41.1 days. Intraoperative ICG angiography can accurately detect perfusion abnormalities and can decrease wound healing related complications in complex hernia repair with concomitant panniculectomy. Assessing and ensuring skin viability can decrease the need for operative debridement.

The reactions of ammonia, pyridine (py), N-methyl imidazole (N-MeIm), tetrahydrothiophene (tht), and piperidine (pip) with Re(CO) 3(H 2O) 3 (+), 1 ( + ), were investigated employing aqueous conditions under atmospheric dioxygen. The reaction of [ 1]Br in aqueous ammonia led to [Re(CO) 3(NH 3) 3]Br ([ 2]Br) as the only product isolated. For the aqueous reactions of [ 1]Br with py, N-MeIm, and tht, mixtures of products are formed because of competition between the bromide and added ligand, even when the ligand is present in excess. Substitution of the PF 6 (-) anion for Br (-) leads to the clean formation of [Re(CO) 3L 3][PF 6] ([ 3][PF 6]-[ 5][PF 6]) for py, N-MeIm, and tht, respectively, as the only products observed. Reaction of [ 1][PF 6] with pip produces the dimeric species, (pip)(CO) 3Re(micro-OH) 2Re(CO) 3(pip), 6. Reactions of [ 1]Br were also performed in methanol for comparison purposes. The reaction with pip in this solvent led to the analogous dimer, (pip)(CO) 3Re(micro-OMe) 2Re(CO) 3(pip), 7; however, reactions with py, N-MeIm, and tht gave Re(CO) 3L 2Br, 8- 10, respectively, as the only products. The crystal structures of compounds [ 2]Br- 10 are reported.

Microsurgical flap reconstruction is a valuable reconstructive option in high-risk patients. Quality of life is comparable with a normalized population if limb salvage is successful. Quality of life is decreased significantly when failure to ambulate occurs in this patient cohort.

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The reaction of Re(CO)(5)Br with tris(2-pyridyl)methanol (tpmOH) leads to unexpectedly complex chemistry with three new compounds forming instead of a single product. In compound 1, the tpmOH ligand binds to the metal in the N,N',N''-mode; 2 has tpmO(-) bound in the N,N',O-mode; while 3 is a dimer with the tpmO(-) ligand utilizing each of the four donor atoms to bridge the two metal centers. The analogous methyl ether ligands, tris(2-pyridyl)methoxymethane (tpmOMe) or tris[2-(l-methylimidazolyl)]methoxymethane (timmOMe), each yielded a single product, 4 and 5, respectively, bound in the N,N',N''-mode, and are new leads for potential radiotherapeutic agents. All compounds have been structurally characterized.