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1.  catena-Poly[[aqua­(1,10-phenanthroline)cobalt(II)]-μ-4,4′-(propane-1,3-diyldi­oxy)dibenzoato] 
In the title compound, [Co(C17H14O6)(C12H8N2)(H2O)]n, the CoII atom is coordinated by a monodentate 4,4′-(propane-1,3-diyldi­oxy)dibenzoate (cpp) dianion, a water mol­ecule and a chelating 1,10-phenanthroline (phen) ligand. A symmetry-generated cpp ligand completes the CoN2O3 trigonal-bipyramidal geometry for the metal ion, with the N atoms occupying both equatorial and axial sites. The bridging cpp ligands form chains propagating in [110] and O—H⋯O hydrogen bonds consolidate the packing.
doi:10.1107/S1600536809035089
PMCID: PMC2970340  PMID: 21577702
2.  1H-Imidazo[4,5-f][1,10]phenanthrolin-7-ium perchlorate monohydrate 
In the title crystal structure, C13H9N4 +·ClO4 −·H2O, cations, anions and water mol­ecules are linked through inter­molecular N—H⋯O, O—H⋯N and O—H⋯O hydrogen bonds, forming layers parallel to (001). In addition, there are weak π–π stacking inter­actions between the layers, involving the cations and with centroid–centroid distances in the range 3.584 (2)–3.662 (2) Å, forming a three-dimensional network.
doi:10.1107/S1600536809034576
PMCID: PMC2970354  PMID: 21577803
3.  catena-Poly[[[aqua­(2,2′-bipyridine)manganese(II)]-μ-5-methoxy­iso­phthalato-κ3 O,O′:O′′] monohydrate] 
In the title compound, {[Mn(C8H4O4)(C10H8N2)(H2O)]·H2O}n, the MnII centre is octa­hedrally coordinated by three O atoms from two 5-methoxy­isophthalate (CH3O-ip) ligands, a fourth from a coordinated water mol­ecule and two N atoms from one chelating 2,2′-bipyridine (2,2-bipy) ligand. Each pair of adjacent MnII atoms is bridged by a CH3O-ip ligand, forming a helical chain running along a crystallographic 21 axis in the c-axis direction. These chains are decorated with 2,2′-bipy ligands on alternating sides. O—H⋯O hydrogen bonding involving the water molecules stabilizes the crystal structure.
doi:10.1107/S1600536809035466
PMCID: PMC2970467  PMID: 21577709
4.  Peripheral artery disease in peritoneal dialysis and hemodialysis patients: single-center retrospective study in Taiwan 
BMC Nephrology  2012;13:100.
Background
Peripheral artery disease (PAD) is a condition characterized by restricted blood flow to the extremities, and is especially common in the elderly. PAD increases the risk for mortality and morbidity in patients with end-stage renal disease (ESRD), especially those on hemodialysis (HD).
Methods
The records of 484 patients with end-stage renal disease who were on HD or peritoneal dialysis (PD) were reviewed. PAD was diagnosed based on the ankle-brachial pressure index (ABI). Demographic and clinical characteristics were analyzed.
Results
PAD had an overall prevalence of 18.2% and was significantly more common in HD patients (21.8%) than in PD patients (4.8%). Advanced age, diabetes mellitus, smoking, low parathyroid hormone level, elevated serum ferritin, elevated serum glucose, and low serum creatinine levels increased the risk for PAD. PAD was independently associated with advanced age, diabetes mellitus, duration of dialysis, low serum creatinine, and hyperlipidemia. PD patients had a significantly lower prevalence of PAD than HD patients, maybe due to their younger age and lower prevalence of diabetes mellitus in this present study.
Conclusions
The prevalence of PAD was greater in the HD group than the PD group. Most of the risk factors for PAD were specific to HD, and no analyzed factor was significantly associated with PAD in PD patients.
doi:10.1186/1471-2369-13-100
PMCID: PMC3447712  PMID: 22943313
Ankle-brachial pressure index (ABI); Cardiovascular disease; End-stage renal disease; Hemodialysis; Peritoneal dialysis; Peripheral artery disease

Results 1-4 (4)